Ford 460 efi rough idle

I've got issues with a 1990 f-350 4wd 460. The problem (one of them) is idle speed. It runs about 900 when warmed up to normal temp. (195F) but fluctuates radically at different times. It will run up to 1800 rpm and stick there, other times it will stick at 1200, and sometimes at 1500 rpm. This is a manual transmission.You may also have a bad sensor on top of the EGR valve. DTC 334 in Key On Engine Off (KOEO) or Engine Running (KOER) Self-Test indicates the EGR valve and/or EGR Valve Position (EVP) sensor may not be fully seated in the closed position. The EVP sensor voltage is greater than the closed limit voltage of 0.67 volt.FORD BA 9F472 A. FORD F5MF 9F472 BA. FORD XL3Z 9F472 BA. FORD XZ3F 9F472 BA. FORD AUSTRALIA FALCON Ute 4.0 LPG BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 Turbo BF Ute. ... it was clear that it was worth it. I highly recommend this product to anyone who has issues with the common rough idle of a BA.All Makes All Models Edelbrock Performance Products - Camshafts. Edelbrock made its name with performance intake manifolds, and has expanded since the 1930s to offer a selection of carburetors, cylinder heads, fuel injection and supercharger systems, and even complete crate engines.Removed the throttle body, drilled into the remaining screw body and tried a screw extractor. Snapped that off too. Drilled the hole out bigger and put in a thru bolt with a nut on the back. Put it all back toghether, checked the 5 volt and ground-to-12v (both good) and adjusted the at-idle to 1 volt and fired it up.The Ford Explorer is known for a rough idle, engine stalling, loss of power, and misfires, accompanied by the check engine light.. The intake manifold O-ring gaskets commonly leak, which creates a large vacuum leak. This vacuum leak causes unmetered air to enter the engine, and the fuel system becomes insufficient to compensate for the large amount of air reaching the engine.Most times with EFI on a Ford Idle problems are the "Idle Air Control" or the "Throttle Position Sensor". You might unplug them and see if they are gunked up with stuff. Most times it's not that easy! The single model repair manuals available at part stores have check out procedures for componants.Ford F150 Forum. The site for Ford truck owners, by Ford truck owners. Skip to content. ... EGR valve was replaced about 14 months ago. Idle Air Control Valve removed and cleaned [sprayed with carb clean and blown out with air]. KOER trouble code 12: Cannot control RPM during ER Self-Test high RPM check ... EFI - 2.5" Flapper Stack (no mufflers ...Oct 31, 2013 · My truck idle really rough and sometimes stalls, i have put a new carb on it and set it with a dwell meter and i have checked timing and put a new harmonic balance, new cap and rotor, new spark plugs and wires, it runs alot beter if i run high octane fuel in it, it really likes 100 octane unleaded race fuel. Re: Idle Surging/Stalling Problem. by Steve83 » Thu Sep 02, 2010 3:20 am. Yes, set the timing back to 10°BTDC. Disconnect the accelerator cable from the ball on the throttle lever and see if the idle drops to normal. If not, push the lever away from the cable to be sure it's fully closed against the stop screw.by tcm308. 06-26-2022, 01:47 AM. Holley Forum User Support. Questions for the moderators - This is for questions regarding user accounts, log in issues, how to use the forum, etc. Please post technical discussion regarding product in the user discussion spaces in the brand areas. Topics: 31 Posts: 115.ford 460 runs rough when warm includes yearly updates, specifications, road test ratings and 1990 w/dual fuel tanks description: supply and return fuel lines may be crossed on some trucks in 2005 due to engine failure was replaced for a new one , 7 the idle was still solid, but it was running rich and >cutting out the 2004 ford f-150 has 14 …check the o2 sensor, throttle body, vaccum lines, that timing and spark is correct and working on all cylinders ( broken plug or wires), try the module on the distributor sometimes that can do it to but usally it runs good then gets bad as engine warms, to me is sounds like timing which also could be in the valvetrain or in the chain and gears in …FORD BA 9F472 A. FORD F5MF 9F472 BA. FORD XL3Z 9F472 BA. FORD XZ3F 9F472 BA. FORD AUSTRALIA FALCON Ute 4.0 LPG BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 Turbo BF Ute. ... it was clear that it was worth it. I highly recommend this product to anyone who has issues with the common rough idle of a BA.Street/strip appilcation rough idle needs heads, carbie headers & hi stall (See Fitting notes 5) 3200 - 6300 31700 304 316 242 250 .570" .570" 108 HT900R-16 7333-16 D 1.800" 11700-16 4133-16 VSV530-16 CS8460 PR-978-12 CRFCL177 FORD WINDSOR V8 ROCKER RATIO 1.62 Application RPM Range Part No. Adv. Duration .050" Duration Valve Lift LSA Lash ...Rough Idle Idle is also one of these conditions when the engine is susceptible to the right air-fuel mixture. This is also a condition when you can feel the faulty air intake temperature sensor's slightly faulty air-fuel mixture. If you experience some small hiccups on idle, it can be a faulty IAT sensor. 5. MisfiresShort of machining the block oversize for custom roller-cam bearings, even with a reduced base circle this limits max cam lift to about 0.460 inch. Tony Baron says that a good-running flathead...1989 Ford F-250 Efi 460 Motor Runs Rough / Misfire. ... I Have A 1997 F250 With A 5.8 That Runs Ruff At Idle Just Above 1000 Rpm The Missing Goes Away And Runs Just ... This sleek 1940 Ford For Sale is equipped with a 454 CID V8 Supercharged and a 4 Speed Automatic and is ready to hit the road for just $77,000. ... Daring Tan 1941 Ford For Sale has a solid Flathead V8 under the hood and a 3 Speed manual transmission. Purchase for $36,000. Vtg 1932-36 Ford Flathead V8 21 Stud Cylinder Head Heads 68-6049B 68 ...The Ford 460 engine build starts out with a junkyard 385 series engine, which was Ford's final big-block V8 engine design. Because these engines were sold from model year 1968 to 1996/7, these engines are plentiful and fairly cheap. The Horsepower team picked up theirs for only $200 Part 1. Re: Runs rough, Idles like crap and looses power!! Post by punzojc » Wed Sep 15, 2010 6:27 pm It is the 02 sensor, 40 bucks It's on the pass. side ehaust tells eecm to compensate for air fuel mixture goes into default when it fails and runs like crap wont pull a hill feels like trannys going out. what the f-150 ?2007 lexus ls 460 transmission problems. The most common cause of rough idle is a vacuum leak or a failed PCV valve. It could also be caused by other air-fuel mixture-related issues like bad fuel injectors, EGR valves, or low compression. ... The most common reasons a Ford Ranger has rough idle are a vacuum leak, an issue with the spark plugs ...I've heard of city/maintenance employees turning the idle higher because they do a lot of task the require the vehicle to go about 10 mph. High idle does that perfectly. Shop the ScannerDanner...1989 ford 460 efi intake manifoldwhat size portable air conditioner for 1,000 square feet. Endless World, Endless Solutions. kodak mobile film scanner app for android. best office wear for petite ladies; quiet check valve 2 inch. glass furniture coasters; audible not syncing with alexa;Remove that old Ford 429, Ford 460 and install this Ford 429 or 460 to bring your ride to life! ... Do you want a rough or smooth idle? A higher stall speed is recommended if you want a more aggressive cam and have A.T. Specific stall speed will vary depending on what cam is used for your application and use. ... 347 408 427 460 283 396 402 ...Nov 08, 2007 · I have a 460 EFI in my buggy and it idles rough when the engine is cold. I did a compression test: highest was 171 psi and lowest was 132 psi (within 75%) all other cylinders were 150 psi and higher. Injectors and fuel pressure is good, 39 psi with ignition on and 30 psi at idle. A basic oil change is the main prevention method. If your engine has low oil pressure, engine rattling at idle might be present when the engine gets hot. It's because the oil is thinner and doesn't coat parts as well. Low oil pressure usually means a complete engine job. Either a replacement engine or an engine rebuild - either way, it ...Search: Ford 460 BackfiringEFI, Forced Induction & NOS. Standard Base Circle; Small Base Circle; 420 Series. ... Ford 429-460; Holden; LS1 2000-up; Oldsmobile 260-455 '64-'84; Pontiac 326-455; Rover; Chevy. Drop-in Style Hydraulic Rollers; ... Rough idle with explosive upper bottom and mid-range torque.SUM-K3500 Cam and Lifter Kit for Ford EFI 460 Pre Broken In by Cam Research. ... 460 EFI Guys just teamed up with Harland Sharp to offer our customers the. maronite calendar 2022. porsche gemballa. kamenorezac cene. dallas selfie. write a program that calculates the average of all the numbers stored in the file.460 EFI running very rich - posted in 80-96 Ford Truck Tech Support: I just got an 88 F-Super Duty with a fuel injected 460, and it is running very rich. I replaced all the obvious stuff, temperature sensors, air filter, PCV, spark plugs, cap and rotor, and no better. I went on to replace the MAP sensor, nothing. It still smells crazy rich, is smoking, and the brand new plugs (well, all but ...Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... Low unstable idle on those vehicles is usually caused by a dirty throttle body and blade. You can clean it (with the engine off) by spraying some quality choke cleaner into the throttle body and scrubbing with a soft tooth brush. Wipe clean with a soft rag to remove the residue..If you are using your Sniper EFI System to control timing, navigate to Tuning > Advanced > Advanced Idle > Idle Spark and ensure that the Idle Spark Enabled is set to Disabled. You can re-enable this after you have completed this idle speed adjustment process. Switch the power to the Sniper off.The first generation was introduced in 1968 and was produced until 1972, this had an Autolite four-barrel carburetor and made 365 horsepower and 485 pound-feet of torque . This is the most powerful of all of the 460s . In 1972 Ford reduced the compression ratio in an effort to get better fuel economy out of the engine.1989 FORD F-350. V8. 2WD. AUTOMATIC. 124,560 MILES. I have a 1989 F350 w/460 V8 and 124K miles. I has started almost dying when I press on the accelerator and go from idle to acceleration. Also when I'm coasting down a hill with my foot off the gas pedal, it back fires. idle surge+misfire 460. The last few days my 97 with the 460 has been having a problem where at idle it chugs and almost dies along with a surge, its very intermittant though and usually does it at idle, or dropping in gear right after start up, usually what happens is I start the truck and drop it in gear and the idle drops real low but it ...Jan 23, 2013 · At wide open throttle (WOT) the fuel pressure should be from 40-42psi. At idle when you stop from about 32-34psi. Fuel pressure should never go below 30-32psi at any time. If all is well with the fuel pressure then run the Key On Engine Off (KOEO) self-test for an electrical test of the wiring and sensors. Connect the vacuum pump once again to the EGR valve using a piece of vacuum hose (see photo above). Once the vacuum pump is set up, apply vacuum. And apply compressed air to the inlet opening of the EGR valve. Let's analyze your test result: CASE 1: You were able to blow compressed air thru' the EGR valve's inlet opening to its outlet side ...Low unstable idle on those vehicles is usually caused by a dirty throttle body and blade. You can clean it (with the engine off) by spraying some quality choke cleaner into the throttle body and scrubbing with a soft tooth brush. Wipe clean with a soft rag to remove the residue..check the o2 sensor, throttle body, vaccum lines, that timing and spark is correct and working on all cylinders ( broken plug or wires), try the module on the distributor sometimes that can do it to but usally it runs good then gets bad as engine warms, to me is sounds like timing which also could be in the valvetrain or in the chain and gears in …I think you can check the fuel pressure at the valve on the fuel rail. Start by checking at idle and then then up around 2500rpm. Im not sure on the pressure it should have but a chilton's book should have it. G got banned Registered Joined Nov 13, 2007 24 Posts #9 · Nov 14, 2007Search: Ford 460 Oil Change. I know oil is like religion and politics Synthetic motor oil is made to withstand extreme temperatures, remove sludge, and in some cases increase fuel economy Yes, you are correct FORD 302 6 QUART REAR SUMP OIL PAN/302/351W/429-460 DIPSTICK TECH This technical article was created to offer some background for car folks who need some answers regarding one of ...Re: Runs rough, Idles like crap and looses power!! Post by punzojc » Wed Sep 15, 2010 6:27 pm It is the 02 sensor, 40 bucks It's on the pass. side ehaust tells eecm to compensate for air fuel mixture goes into default when it fails and runs like crap wont pull a hill feels like trannys going out. what the f-150 ?Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... 1995 E350 "Class C" Ford 460 Idle challenges. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. it started as a rough "stumble" when topping a hill going form a load to a "light load" or "no throttle". After some research, I believed the issue was a "slow" EGR, replaced the EGR and the ...Low unstable idle on those vehicles is usually caused by a dirty throttle body and blade. You can clean it (with the engine off) by spraying some quality choke cleaner into the throttle body and scrubbing with a soft tooth brush. Wipe clean with a soft rag to remove the residue..I'm upgrading my 83 f100 from a stock 460 to a mild built 501. with a rough idle cam. c6 trans. NOT for racing... Daily driver wondering what I should do about. BIG BLOCK FORD. ... BIG BLOCK FORD :: GENERAL TECH :: TRANSMISSION TECH - ULTIMATE CONVERTOR CONCEPTS. Page 1 of 1. converter? racinghabbit January 10th 2019, 4:56 pmJan 24, 2009 · I have a 1994 F-350, 460 cu. in. EFI that has been idling quite rough at start up and while warm. It sounds like it is mis-firing and blows black smoke at first, then gradually turns to grey. If I tromp on the accelerator, she'll billow out another jet black cloud. It runs pretty good on the roads, no real noticeable power loss to speak of. I know EFI with individual port injection and all the computer sensors, manifolds, and so forth is overwhelmingly difficult to add on to an existing engine. I was told once by a mechanic at an RV dealership that he could add fuel injection to my 460 Ford motor in my motor home, but certainly wouldn't be a complex or carefully monitored system.Ford 460 MAP EFI runs rough under 1700 RPM. I have a 1990 f250 with a 7.5L EFI (460 ci) gas engine. It seems to buck and misfire under 1700 rpm at intermediate throttle settings, which is most noticeable in overdrive (auto trans). This is a ranch truck rescue project that didn't run when I got it. It had all the associated issues with having e ...88 f250 460 gets to idle temp then shuts down like runs out of gas pain to restart unless i let it cool down still a pain but not that bad. ... 1995 F250 4x4 with a 460 efi motor. Want to build a healthy carburated 70 something 460. ... Have an 87 Ford f250 with a 460 engine and carburetor I can get it to run for about a mile then it gets ...The 2015 Ford F-250 has 22 NHTSA complaints for the engine at 44,852 miles average Fuel pressure at idle with the vacuum line attached to the pressure regulator 34 to 38 psi 1990 F250 460 - I recently motor swapped my 1990 F250 with a 460, to a 1991 460 of the same type While the 1980 cab and chassis was carried over to the new model, the 1987 ...Jun 10, 2022 · Rough engine idle is a common problem, of which the exact cause, can be difficult to diagnose. Because, several factors may come into play. Furthermore, how your engine idles, is a good indicator of its overall health. The reasons for a rough idle can vary, with some being; cheap easy fixes and some requiring more complex repair procedures. The testing evaluated the engine's performance and smoke output when in idle, mid-power and with the throttle wide open on an Evinrude 115HP E-TEC outboard engine.The engine did not experience hard-starting or rough running when using Opal and engine stability at an operation mode of 2200-2500rpm even appeared to improve. DANA SPICER Diff Rear Gear Set M86 4.10 Ford Falcon / Territory. 2013841.1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. I've had my motorhome for a few years and this problem has been getting worse and worse. ... > Ford Vans and other vehicles > 1968-Present E-Series Van/Cutaway/Chassis > 1989 efi 460 rough idle smooth ...Jun 12, 2013 · 1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. I've had my motorhome for a few years and this problem has been getting worse and worse. I almost wanna say it started after I changed the plugs wires cap and rotor. But I can't say... Jan 24, 2009 · I have a 1994 F-350, 460 cu. in. EFI that has been idling quite rough at start up and while warm. It sounds like it is mis-firing and blows black smoke at first, then gradually turns to grey. If I tromp on the accelerator, she'll billow out another jet black cloud. It runs pretty good on the roads, no real noticeable power loss to speak of. Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... 1993 ford f350 7.5 460 i have problems with the high idle in park sometimes other gears mostly park the funny thing is when cold it runs at 1,000 rpm and when hot it go's 1,250-1,450 i replace the. Its a 1993 ford f350 7.5 460 which is close to a 92. Posted by ryan on Aug 09, 2012.Part Number: CR358521 Grind Number: Engine Identification: Start Yr. End Yr. Make Cyl Description 1968 1997 Ford 8 Good mid range torque to upper RPM torque & HP, rough idle, performance usage, 514+ cu.in., Pro Street, bracket racing, auOct 31, 2013 · My truck idle really rough and sometimes stalls, i have put a new carb on it and set it with a dwell meter and i have checked timing and put a new harmonic balance, new cap and rotor, new spark plugs and wires, it runs alot beter if i run high octane fuel in it, it really likes 100 octane unleaded race fuel. Street/strip appilcation rough idle needs heads, carbie headers & hi stall (See Fitting notes 5) 3200 - 6300 31700 304 316 242 250 .570" .570" 108 HT900R-16 7333-16 D 1.800" 11700-16 4133-16 VSV530-16 CS8460 PR-978-12 CRFCL177 FORD WINDSOR V8 ROCKER RATIO 1.62 Application RPM Range Part No. Adv. Duration .050" Duration Valve Lift LSA Lash ...Oct 31, 2013 · My truck idle really rough and sometimes stalls, i have put a new carb on it and set it with a dwell meter and i have checked timing and put a new harmonic balance, new cap and rotor, new spark plugs and wires, it runs alot beter if i run high octane fuel in it, it really likes 100 octane unleaded race fuel. i was having a very bad surging idle. it seems much better but not completely good. also its random how it will act up. at its worst it swings from 500-900 rpm with the truck torquing over kinda...2007 lexus ls 460 transmission problems. The most common cause of rough idle is a vacuum leak or a failed PCV valve. It could also be caused by other air-fuel mixture-related issues like bad fuel injectors, EGR valves, or low compression. ... The most common reasons a Ford Ranger has rough idle are a vacuum leak, an issue with the spark plugs ...EFI - your IACV controls the idle speed. Ford Ranger Ticking Noise during Acceleration These weird noises can be so irritating and almost impossible to trace on your own. ... 1999 Ford Ranger / Rough idle cold starts and random misfires P0300. 2WD Off-Road Rangers. 2003 Ford Taurus Repair Engine Idle Rough P0171 P0174: Taurus Idle.Part Number: CR358521 Grind Number: Engine Identification: Start Yr. End Yr. Make Cyl Description 1968 1997 Ford 8 Good mid range torque to upper RPM torque & HP, rough idle, performance usage, 514+ cu.in., Pro Street, bracket racing, auHere, we’re covering an idle speed issue on a Grand Marquis. This video goes along well with chapter 20 in my book “Idle Speed Controls”, but also specifical... ps2 bios retroarch xbox; vijay tv owner rosyth death. ah flood zone insurance cost x xClassic Industries offers a wide selection of 1980 Ford Mustang parts, including 1980 Ford Mustang interior parts and soft trim, 1980 Ford Mustang exterior sheet metal, 1980 Ford Mustang moldings, 1980 Ford Mustang emblems, 1980 Ford Mustang weatherstrip and unique accessories, to nearly every nut and bolt needed for installation.Jun 10, 2022 · The #1 Cause Of Rough Engine Idle, Is A Vacuum Leak Vacuum Leaks Vacuum Leaks Anything that upsets the air/fuel balance, will cause a rough engine idle. Usually, the most common cause. Also Read – Vacuum Leak Detection – The Safe Way to Find Leaks Carbon Buildup, On Electronic Throttle Body Or Idle Air Control Valve Electronic Throttle Body Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... 1990 Ford 460 7.5 EFI hesitation / idle problem solution 133,174 views Jul 30, 2016 1.1K Dislike Share Save Brig T 2.04K subscribers Subscribe This is a follow up video from a previous video I made...Jun 12, 2013 · 1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. I've had my motorhome for a few years and this problem has been getting worse and worse. Ford F150 Forum. The site for Ford truck owners, by Ford truck owners. Skip to content. ... EGR valve was replaced about 14 months ago. Idle Air Control Valve removed and cleaned [sprayed with carb clean and blown out with air]. KOER trouble code 12: Cannot control RPM during ER Self-Test high RPM check ... EFI - 2.5" Flapper Stack (no mufflers ...Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... Ford 460 MAP EFI runs rough under 1700 RPM. I have a 1990 f250 with a 7.5L EFI (460 ci) gas engine. It seems to buck and misfire under 1700 rpm at intermediate throttle settings, which is most noticeable in overdrive (auto trans). This is a ranch truck rescue project that didn't run when I got it. It had all the associated issues with having e ...Search: Duramax Fuel Knock. I have a problem with fuel knock at idle Surge or Lope at idle Fuel pressure regulator: Map actual versus desired rail pressure, if the graph has a Performance Truck Products has been providing the best performance parts and accessories for both gas and diesel trucks since 2003 0 points1 point2 points 3 years ago (3 children) PDF: 2011 - 2016 6 1 To 100 In Words.FORD BA 9F472 A. FORD F5MF 9F472 BA. FORD XL3Z 9F472 BA. FORD XZ3F 9F472 BA. FORD AUSTRALIA FALCON Ute 4.0 LPG BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 BF Ute. FORD AUSTRALIA FALCON Ute 4.0 i XR6 Turbo BF Ute. ... it was clear that it was worth it. I highly recommend this product to anyone who has issues with the common rough idle of a BA.Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... The result is an engine that stumbles, idles roughly, and doesn't perform at 100% power. Generally, a misfire will trigger the engine check light and the truck's exhuast will smell like gasoline. Misfires happen for several reasons, but most of them relate to the delivery of spark, air, or fuel to the cylinders.i was having a very bad surging idle. it seems much better but not completely good. also its random how it will act up. at its worst it swings from 500-900 rpm with the truck torquing over kinda...View Holley EFI 12.3" Pro Dash. Works with 4, 6, 8 and 10 cylinder engines. Ignition Plug and Play with GM LS engines (non-VVT), GM HEI, Ford TFI, Coyote (non-VVT), 4.6/5.4 Mod Motor, Late Model HEMI and magnetic and hall effect trigger. Custom settings can be configured to allow for use with many other applications.All Makes All Models Edelbrock Performance Products - Camshafts. Edelbrock made its name with performance intake manifolds, and has expanded since the 1930s to offer a selection of carburetors, cylinder heads, fuel injection and supercharger systems, and even complete crate engines.1997 F250 Crew Cab 4X4 Mint Beauty. 221K miles Automatic 3.54 ratio all stock except for Stancor glow plug relay & FPR shim mod. 1978 Bronco. 1991 460 EFI.I was having a very bad surging idle. it seems much better but not completely good. also its random how it will act up. at its worst it swings from 500-900 r... Removed the throttle body, drilled into the remaining screw body and tried a screw extractor. Snapped that off too. Drilled the hole out bigger and put in a thru bolt with a nut on the back. Put it all back toghether, checked the 5 volt and ground-to-12v (both good) and adjusted the at-idle to 1 volt and fired it up.Just in case it is a coincidence, here is a list of issues that cause cause rough idle, stalling and misfires; Oxygen sensor. Catalytic converter. Fuel injectors dirty/sticking. Mass airflow sensor/Airflow meter. Throttle position sensor. Crankshaft position sensor. Knock sensor.Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... 2 - Disconnect the pin-in-line connector (SPOUT connector) near the TFI module. 3 - Start the engine and measure the voltage, at idle, from the SPOUT connector to the distributor base. The reading should equal battery voltage. 4 - If the result is okay, the problem lies within the EEC-IV system. 1989 ford 460 efi intake manifold mini blind wand replacement September 2, 2022. furuno dff3d transducer for sale 2:53 pm 2:53 pmI just replaced the carburetor and now it starts for about 30-50 seconds with a really rough idle then dies and won't start ... unless you give it gas - Im about ready to scrap this thing its so frustrating! The truck is an 88 F150 with the 5.0 EFI. My problem is the truck ... Got an old 79 Ford truck with the 460 Lincoln givin to us by the ...Aug 15, 2010 · Discussion Starter · #1 · Aug 15, 2010. Hello, I have a 68 Torino GT with a 78 460 in it. Yesterday I hooked up a second fan to help cool the BB and about a 1/2 hour of driving, the idle dropped real low (almost killing the engine) and I could start smelling fuel in the exhaust. The only thing I could think of was maybe with the second fan ... 1999 Ford F-350 Super Duty Lariat 7.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire VIN: 1FTSW31F6X help please.ford f350 drove in yesterday with a running problem so i fired it up drove down the street thinking it didn't run to bad for 225000 miles. well 1.5 miles down the road this thing shut down to a idle and a ran real ruff. i. The result is an engine that stumbles, idles roughly, and doesn't perform at 100% power. Generally, a misfire will trigger the engine check light and the truck's exhuast will smell like gasoline. Misfires happen for several reasons, but most of them relate to the delivery of spark, air, or fuel to the cylinders.At wide open throttle (WOT) the fuel pressure should be from 40-42psi. At idle when you stop from about 32-34psi. Fuel pressure should never go below 30-32psi at any time. If all is well with the fuel pressure then run the Key On Engine Off (KOEO) self-test for an electrical test of the wiring and sensors.Most times with EFI on a Ford Idle problems are the "Idle Air Control" or the "Throttle Position Sensor". You might unplug them and see if they are gunked up with stuff. Most times it's not that easy! The single model repair manuals available at part stores have check out procedures for componants.bmw m20 rough idle. ... 460 HP @6000 RPM 465 LB-FT TORQUE SP383 EFI TURN-KEY CONNECT & CRUISE 450 HP @5800 RPM 436 LB-FT TORQUE. SP383 EFI DELUXE CONNECT & CRUISE. ... The Ford 460 block is fitted with an all forged rotating assembly, hydraulic roller camshaft, aluminum heads and full roller rockers for maximum torque.Mixing these firing orders (spark plug & injectors) can cause a rough idle and poor driveability. If you are building an engine for an EFI conversion, make sure that the cam you install has the 13726548 firing order. Some people may tell you that all you have to do is rewire the injectors to change their firing order to match your cam or engine.Start the engine, then increase and hold the idle speed to 1,000 to 1,500 rpm. Spray the throttle cleaner or engine cleaner into the throat of the throttle body; aiming for the idle air bypass port. Turn the engine off, to allow the cleaner to soak into the (IAC) passageway. Wait about three minutes.Allow engine to idle for at least one minute. Turn the air conditioning on and allow the engine to idle for at least one minute. Release the parking brake. With your foot on the brake pedal and the A/C still on, put the vehicle in "D" (Drive) and allow the engine to idle for at least one minute. Drive the vehicle to complete the relearning process.1989 Ford F-250 Efi 460 Motor Runs Rough / Misfire. Why Does My 1989 F-250 Efi 460 Motor Run Rough / Misfire After Moving The Negative Battery Cable To A Different Location, From The Exhaust... Asked by ford4x4250 ... Ruff Idle. I Have A 1997 F250 With A 5.8 That Runs Ruff At Idle Just Above 1000 Rpm The Missing Goes Away And Runs Just Fine. ...Been fighting with the infamous "rough idle" situation on my 1996 F-150 w/ 5.8L (351 w) for months now, and I set out to "shotgun" the sumbitch until I found/fixed it. Armed with the Internet, and a pocket full of loot, I was lucky enough to discover a brand new Ford dealership just down the street from me (partially what inspired this2 - Disconnect the pin-in-line connector (SPOUT connector) near the TFI module. 3 - Start the engine and measure the voltage, at idle, from the SPOUT connector to the distributor base. The reading should equal battery voltage. 4 - If the result is okay, the problem lies within the EEC-IV system.Had a similar problem with a old F250 I had with the 460 (Camper special) the dizzy's advance jammed up causing idle problems and a serious lack of power. The dizzy was so bad it took a propane torch and about a hour of working it, to get it out of the block. December 22, 2013 at 9:53 am #564636 Richard brelsford ParticipantThis is a follow up video from a previous video I made on what to do when your 7.5 EFI has an intermittent hesitation and idle issue. After changing FP reg,... The 460 EFI Fords are infamous for having bad fuel pumps. They have changed the design to a turbine instead of the diaphram. Fuel pressure will be in the low 30's with the old pump; high 30's, low 40's with the new one. The pressure is readable at the OBD connector. (I think). Rough idling isn't ususally how the symptom surfaces but I would ...idle surge+misfire 460. The last few days my 97 with the 460 has been having a problem where at idle it chugs and almost dies along with a surge, its very intermittant though and usually does it at idle, or dropping in gear right after start up, usually what happens is I start the truck and drop it in gear and the idle drops real low but it ...I was having a very bad surging idle. it seems much better but not completely good. also its random how it will act up. at its worst it swings from 500-900 r... You can test to see if it works at all by getting the truck to idle then unplugging the IAC. If the truck doesn't stall or start idling way worse, then its faulty. Could also be the timing. Check to make sure the timing is set right, and make sure all your plugs and plug wires you changed are tight and installed right. Reply LikeThe symptoms were the car was running oddly rough at idle, and it started to shake, but would drive just fine. After pulling the codes it seems this is a common DTC to cars of this era. Some are related to intake manifold, some are to the vacuum line system, most the one connected to the PCV Valve.I've got issues with a 1990 f-350 4wd 460. The problem (one of them) is idle speed. It runs about 900 when warmed up to normal temp. (195F) but fluctuates radically at different times. It will run up to 1800 rpm and stick there, other times it will stick at 1200, and sometimes at 1500 rpm. This is a manual transmission.Jun 10, 2022 · The #1 Cause Of Rough Engine Idle, Is A Vacuum Leak Vacuum Leaks Vacuum Leaks Anything that upsets the air/fuel balance, will cause a rough engine idle. Usually, the most common cause. Also Read – Vacuum Leak Detection – The Safe Way to Find Leaks Carbon Buildup, On Electronic Throttle Body Or Idle Air Control Valve Electronic Throttle Body 88 F-350 with EFI 460 Starting/Running Problems - posted in 80-96 Ford Truck Tech Support: I have a 1988 Ford F-350 with an EFI 460 engine. It will start, run about 2 seconds, then dies. Will not re-start, seems to be flooding at this point. Wait a couple of hours, it will start, run a couple of seconds, die again. I have replaced the high pressure fuel pump, fuel pressure is at about 43 PSI ...Rough idling or poor performance 2. 7.5L 460 Water Pump Failure or Leaking Water pumps are responsible for circulating coolant throughout the engine block. Because it is a pressurized system, the water pump and its internals deteriorate over time. The Ford 460 is known for eating water pumps, in both carbureted and fuel injected versions. Discussion Starter · #1 · Nov 8, 2007 I have a 460 EFI in my buggy and it idles rough when the engine is cold. I did a compression test: highest was 171 psi and lowest was 132 psi (within 75%) all other cylinders were 150 psi and higher. Injectors and fuel pressure is good, 39 psi with ignition on and 30 psi at idle.first thing you need to check is fuel presure regulator, pull off vacum line and look for any signs of fuel.if that looks ok start engine with hose diconected and look for fuel comming from regulator, should be no signs of fuel, if that is ok check fuel presure.engine running 30-45 psi .key on engine off 35-45 psi.check theese first.Spark Plugs. A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current, received from ignition coils; to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned, at an inconsistent rate.1989 Ford F-250 Efi 460 Motor Runs Rough / Misfire. ... I Have A 1997 F250 With A 5.8 That Runs Ruff At Idle Just Above 1000 Rpm The Missing Goes Away And Runs Just ... Ford F150 Forum. The site for Ford truck owners, by Ford truck owners. Skip to content. ... EGR valve was replaced about 14 months ago. Idle Air Control Valve removed and cleaned [sprayed with carb clean and blown out with air]. KOER trouble code 12: Cannot control RPM during ER Self-Test high RPM check ... EFI - 2.5" Flapper Stack (no mufflers ...The Ford 460 engine build starts out with a junkyard 385 series engine, which was Ford's final big-block V8 engine design. Because these engines were sold from model year 1968 to 1996/7, these engines are plentiful and fairly cheap. The Horsepower team picked up theirs for only $200 Part 1. Removed the throttle body, drilled into the remaining screw body and tried a screw extractor. Snapped that off too. Drilled the hole out bigger and put in a thru bolt with a nut on the back. Put it all back toghether, checked the 5 volt and ground-to-12v (both good) and adjusted the at-idle to 1 volt and fired it up.1993 ford f350 7.5 460 i have problems with the high idle in park sometimes other gears mostly park the funny thing is when cold it runs at 1,000 rpm and when hot it go's 1,250-1,450 i replace the. Its a 1993 ford f350 7.5 460 which is close to a 92. Posted by ryan on Aug 09, 2012. 2 - Disconnect the pin-in-line connector (SPOUT connector) near the TFI module. 3 - Start the engine and measure the voltage, at idle, from the SPOUT connector to the distributor base. The reading should equal battery voltage. 4 - If the result is okay, the problem lies within the EEC-IV system. The Winchester Wildcat semi-automatic is fed by a detachable 10-shot rotary magazine. The action looks like a Remington 597 and features a built-in rail for scope use. The short 18in barrel is a sensible length because it is threaded for a sound moderator and, thus fitted, keeps the overall length manageable for a .22 LR. 00 each Description: Long 350, 445, 460, 510 Tractor New Engine Short ...The Winchester Wildcat semi-automatic is fed by a detachable 10-shot rotary magazine. The action looks like a Remington 597 and features a built-in rail for scope use. The short 18in barrel is a sensible length because it is threaded for a sound moderator and, thus fitted, keeps the overall length manageable for a .22 LR. 00 each Description: Long 350, 445, 460, 510 Tractor New Engine Short ...Jun 12, 2013 · 1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. I've had my motorhome for a few years and this problem has been getting worse and worse. I almost wanna say it started after I changed the plugs wires cap and rotor. But I can't say... Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... EFI, Forced Induction & NOS. Standard Base Circle; Small Base Circle; 420 Series. ... Ford 429-460; Holden; LS1 2000-up; Oldsmobile 260-455 '64-'84; Pontiac 326-455; Rover; Chevy. Drop-in Style Hydraulic Rollers; ... Rough idle with explosive upper bottom and mid-range torque.first thing you need to check is fuel presure regulator, pull off vacum line and look for any signs of fuel.if that looks ok start engine with hose diconected and look for fuel comming from regulator, should be no signs of fuel, if that is ok check fuel presure.engine running 30-45 psi .key on engine off 35-45 psi.check theese first.Spark Plugs. A rough engine idle, can be caused by, spark plugs or wires. Spark plugs use the electrical current, received from ignition coils; to ignite the air/fuel mixture, within the combustion chamber. A plug that is damaged or installed incorrectly, can result in fuel being burned, at an inconsistent rate.I've heard of city/maintenance employees turning the idle higher because they do a lot of task the require the vehicle to go about 10 mph. High idle does that perfectly. Shop the ScannerDanner...Remove the fuel pressure port cap and connect your fuel pressure gauge Fuel pressure test port on 5.4 Ford To test: Cycle the key from OFF to RUN and wait 3-seconds for pressure to build. Repeat several key turns and note pressure. Then start the engine and note pressure. Fuel pressure must be 55-60-psi with engine running at idle.Mar 15, 2017 · Can you swap a 1970 460 into a 1995 F250 that has an efi 460? Wanting to go carburated and get rid of efi 4 Answers. 1995 F250 4x4 with a 460 efi motor. Want to build a healthy carburated 70 something 460. Can the swap be completed and still use the original truck granny 5 speed. Thanks Andi Location: First Coast. Check out your crankshaft positioning sensor.The wires that went to my CPS got burned by the exhaust manifold and shorted out. I fixed the wires that were shorted and replace the ignition fuse and she runs again.The symptons were the engine turned over but would not start.Good luck. #7.Apr 23, 2022 · 1987 - 1996 F150 & Larger F-Series Trucks - 460 EFI Hard Start and rough idle - Have a 97 460 EFI that has all of a sudden developed a hard start and rough idle issue. Giving it some fuel pedal helps it stay running and once it warms up it’s a little less rough but still stumbles and carries on. Could this be the IAC... This sleek 1940 Ford For Sale is equipped with a 454 CID V8 Supercharged and a 4 Speed Automatic and is ready to hit the road for just $77,000. ... Daring Tan 1941 Ford For Sale has a solid Flathead V8 under the hood and a 3 Speed manual transmission. Purchase for $36,000. Vtg 1932-36 Ford Flathead V8 21 Stud Cylinder Head Heads 68-6049B 68 ...This is a follow up video from a previous video I made on what to do when your 7.5 EFI has an intermittent hesitation and idle issue. After changing FP reg,... You may also have a bad sensor on top of the EGR valve. DTC 334 in Key On Engine Off (KOEO) or Engine Running (KOER) Self-Test indicates the EGR valve and/or EGR Valve Position (EVP) sensor may not be fully seated in the closed position. The EVP sensor voltage is greater than the closed limit voltage of 0.67 volt.Ford's most popular, longest-lasting big block V8 engine lived an incredibly varied life. The 460 cubic inch eight-cylinder motor debuted all the way back in 1968 but found itself powering cars, trucks, and commercial equipment all the way to the end of the 1990s during its three decade run. What Others Are Reading. View our complete range of Ford F100 trucks, buses, trailers & more on Trucksales.Ford F-150 - 1997-2003 :: Slight Miss / Rough Idle - Hesitation Or Stumble On Acceleration 2003 F150 5. Acceleration Hesitation 1 post • Page 1 of 1. The engine started missing on acceleration. ... 88 F-350 with EFI 460 Starting/Running Problems - posted in 80-96 Ford Truck Tech Support: I have a 1988 Ford F-350 with an EFI 460 engine. 9L ...Aug 15, 2010 · Discussion Starter · #1 · Aug 15, 2010. Hello, I have a 68 Torino GT with a 78 460 in it. Yesterday I hooked up a second fan to help cool the BB and about a 1/2 hour of driving, the idle dropped real low (almost killing the engine) and I could start smelling fuel in the exhaust. The only thing I could think of was maybe with the second fan ... Part Number: CR358521 Grind Number: Engine Identification: Start Yr. End Yr. Make Cyl Description 1968 1997 Ford 8 Good mid range torque to upper RPM torque & HP, rough idle, performance usage, 514+ cu.in., Pro Street, bracket racing, auThe 460 EFI Fords are infamous for having bad fuel pumps. They have changed the design to a turbine instead of the diaphram. Fuel pressure will be in the low 30's with the old pump; high 30's, low 40's with the new one. The pressure is readable at the OBD connector. (I think). Oct 31, 2013 · My truck idle really rough and sometimes stalls, i have put a new carb on it and set it with a dwell meter and i have checked timing and put a new harmonic balance, new cap and rotor, new spark plugs and wires, it runs alot beter if i run high octane fuel in it, it really likes 100 octane unleaded race fuel. 91 Ford 460 efi Idle/Runs rough. Sign up here! Email This Post: Auto Repair Home>> Automotive Repair>> Engine Troubleshooting. Jarnold9223 New User May 18, 2017, 8:05 PM Post #1 of 8 (3659 views) 91 Ford 460 efi Idle/Runs rough: Sign In Hello all This is my first post here and sadly I have a deadline fast approaching for this project so any ...2 - Disconnect the pin-in-line connector (SPOUT connector) near the TFI module. 3 - Start the engine and measure the voltage, at idle, from the SPOUT connector to the distributor base. The reading should equal battery voltage. 4 - If the result is okay, the problem lies within the EEC-IV system. The first generation was introduced in 1968 and was produced until 1972, this had an Autolite four-barrel carburetor and made 365 horsepower and 485 pound-feet of torque . This is the most powerful of all of the 460s . In 1972 Ford reduced the compression ratio in an effort to get better fuel economy out of the engine.91 E350 460 efi Engine troubles - posted in 80-96 Ford Truck: Hello all This is my first post here and sadly I have a deadline fast approaching for this project so any help would be greatly appreciated. ... Ford F Series Zone - F150 F250 F350 Super Duty Ranger Tech ... Once it starts it'll idle forever, just rough. Throttle response is most of ...88 f250 460 gets to idle temp then shuts down like runs out of gas pain to restart unless i let it cool down still a pain but not that bad. ... 1995 F250 4x4 with a 460 efi motor. Want to build a healthy carburated 70 something 460. ... Have an 87 Ford f250 with a 460 engine and carburetor I can get it to run for about a mile then it gets ...Aug 15, 2010 · Discussion Starter · #1 · Aug 15, 2010. Hello, I have a 68 Torino GT with a 78 460 in it. Yesterday I hooked up a second fan to help cool the BB and about a 1/2 hour of driving, the idle dropped real low (almost killing the engine) and I could start smelling fuel in the exhaust. The only thing I could think of was maybe with the second fan ... 1987 - 1996 F150 & Larger F-Series Trucks - EFI 460 rough idle and power loss - hey everyone.. i need some help with this sweet heart 95 f250.. auto truck, 460 efi engine, 180k.. truck was running great and then i lost a ground that the TPS, ECT, BAR all share.. i made a new ground ( because i couldn't find where they...The result is an engine that stumbles, idles roughly, and doesn't perform at 100% power. Generally, a misfire will trigger the engine check light and the truck's exhuast will smell like gasoline. Misfires happen for several reasons, but most of them relate to the delivery of spark, air, or fuel to the cylinders.Aug 15, 2010 · Discussion Starter · #1 · Aug 15, 2010. Hello, I have a 68 Torino GT with a 78 460 in it. Yesterday I hooked up a second fan to help cool the BB and about a 1/2 hour of driving, the idle dropped real low (almost killing the engine) and I could start smelling fuel in the exhaust. The only thing I could think of was maybe with the second fan ... INT/EXH - Dur @ .050" Lift: 204°/210° RR: 1.73/1.73 Gross Lift: .481"/.488" LSA: 112° RPM: Idle to 3500 Redline: 4000 Learn More. There were several performance levels offered with the 429, from 360 horsepower up to 375. This Cobra is packing the middle level engine with a cool 370 horsepower.Jun 22, 2021 · 1995 E350 "Class C" Ford 460 Idle challenges. Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. it started as a rough "stumble" when topping a hill going form a load to a "light load" or "no throttle". After some research, I believed the issue was a "slow" EGR, replaced the EGR and the ... Mixing these firing orders (spark plug & injectors) can cause a rough idle and poor driveability. If you are building an engine for an EFI conversion, make sure that the cam you install has the 13726548 firing order. Some people may tell you that all you have to do is rewire the injectors to change their firing order to match your cam or engine.Here, we’re covering an idle speed issue on a Grand Marquis. This video goes along well with chapter 20 in my book “Idle Speed Controls”, but also specifical... ps2 bios retroarch xbox; vijay tv owner rosyth death. ah flood zone insurance cost x xAllow it to warm at idle and then move the trans selector amoungst all the trans positions several time for several seconds each to allow it to relearn it's odle paramaters. Drive it around town a few miles and see if all is well. If not, there are some other things that may need attention.Jan 24, 2009 · 1987 - 1996 F150 & Larger F-Series Trucks - EFI 460 idling rough & blowing black smoke - Hello all! I have a 1994 F-350, 460 cu. in. EFI that has been idling quite rough at start up and while warm. It sounds like it is mis-firing and blows black smoke at first, then gradually turns to grey. If I tromp on the... Set ignition timing at idle to 12 or 13 BTDC with the spout disconnected When you plug the spout connector back in timing will jump to 20 to 23* BTDC Scotty J. "AKA" The "Mad Porter" "EMC 2006" 3rd place finisher Ported BBF iron head specialist & Aluminum heads from all sources. Custom ground cams See our products in the Vendor for sale section351w Efi High Idle Not to be confused with Ford's 351 "Cleveland" engine, the 351W gets its name from Ford's Windsor, Canada, plant, where it was briefly manufactured. Repeat as necessary until idle speed is where you want it, generally 700-750 RPM in neutral will get you 600-650 in gear. ATK HP11M Ford 351W Mid Dress Engine 385HP.Aug 15, 2010 · Discussion Starter · #1 · Aug 15, 2010. Hello, I have a 68 Torino GT with a 78 460 in it. Yesterday I hooked up a second fan to help cool the BB and about a 1/2 hour of driving, the idle dropped real low (almost killing the engine) and I could start smelling fuel in the exhaust. The only thing I could think of was maybe with the second fan ... Removed the throttle body, drilled into the remaining screw body and tried a screw extractor. Snapped that off too. Drilled the hole out bigger and put in a thru bolt with a nut on the back. Put it all back toghether, checked the 5 volt and ground-to-12v (both good) and adjusted the at-idle to 1 volt and fired it up.The 2015 Ford F-250 has 22 NHTSA complaints for the engine at 44,852 miles average Fuel pressure at idle with the vacuum line attached to the pressure regulator 34 to 38 psi 1990 F250 460 - I recently motor swapped my 1990 F250 with a 460, to a 1991 460 of the same type While the 1980 cab and chassis was carried over to the new model, the 1987 ...Do you want a rough or smooth idle? A higher stall speed is recommended if you want a more aggressive cam and have A.T. Specific stall speed will vary depending on what cam is used for your application and use. ... camino lamans kre indy 260 289 302 327 350 351 351c 351m 351w 383 400 390 428 445 454 461 468 488 401 331 347 408 427 460 283 396 ...1987 - 1996 F150 & Larger F-Series Trucks - EFI 460 rough idle and power loss - hey everyone.. i need some help with this sweet heart 95 f250.. auto truck, 460 efi engine, 180k.. truck was running great and then i lost a ground that the TPS, ECT, BAR all share.. i made a new ground ( because i couldn't find where they...Just in case it is a coincidence, here is a list of issues that cause cause rough idle, stalling and misfires; Oxygen sensor. Catalytic converter. Fuel injectors dirty/sticking. Mass airflow sensor/Airflow meter. Throttle position sensor. Crankshaft position sensor. Knock sensor.Street/strip appilcation rough idle needs heads, carbie headers & hi stall (See Fitting notes 5) 3200 - 6300 31700 304 316 242 250 .570" .570" 108 HT900R-16 7333-16 D 1.800" 11700-16 4133-16 VSV530-16 CS8460 PR-978-12 CRFCL177 FORD WINDSOR V8 ROCKER RATIO 1.62 Application RPM Range Part No. Adv. Duration .050" Duration Valve Lift LSA Lash ...EFI, Forced Induction & NOS. Standard Base Circle; Small Base Circle; 420 Series. ... Ford 429-460; Holden; LS1 2000-up; Oldsmobile 260-455 '64-'84; Pontiac 326-455; Rover; Chevy. Drop-in Style Hydraulic Rollers; ... Rough idle with explosive upper bottom and mid-range torque.Re: Misfire or rough idle 1994 5.8l E-150 No check engine light. by Kcran12354 » Fri Jul 03, 2015 4:24 pm. I am having a similar problem with my 94 5.0l. I did a tune-up (plugs, cap, rotor, amd wires) on it about a week ago and ever since its been running rough. I had it tested and it said targeted my 8th cylinder.06-27-2022, 06:52 AM. Racepak Pro Series Loggers. A forum dedicated to the Racepak Pro Series data loggers, such as the PRO III and PRO II, used in Top Fuel and Nitro Funny Car, as well as the PRO IB, which is used in the Alcohol categories. You can also find information about the older PRO IA, PRO I and SC1000 data loggers.Jul 24, 2008 · Dido0163. I have a 1994 E350 15 passenger shuttle bus with a 460/7.5 engine that cuts out at idle and most any other speed. It surges at an idle but never dies. It runs good under acceleration, but as soon as I ease off the gas and start crusing down the road at any speed, it starts an erratic miss where it stumbles and jerks. Had a similar problem with a old F250 I had with the 460 (Camper special) the dizzy's advance jammed up causing idle problems and a serious lack of power. The dizzy was so bad it took a propane torch and about a hour of working it, to get it out of the block. December 22, 2013 at 9:53 am #564636 Richard brelsford Participantholley sniper efi Holley Muscle Car Pump Module 350 LPH Fuel Pump Kit $182.95 Part# 12-391 mr. gasket Mr. Gasket Electric Fuel Pump ... GM34B $140.95 Part# 19-506 fender gripper Holley EFI Fender Gripper $30.30 Part#. 2022 ram running boards. product key office 2019 crack bagas31; zippo lighter near me; citizen ... 2008 honda civic rough idle ...I have a 98 ford ranger that idles high untill the truck comes to a complete stop. Even when i come to a complete stop im still not sure if it is idling low enough. ... rough idle when stopped in drive; fulton county extension office; dvdfab drm removal for apple; is yinka tnt married; silver eagle buses private coaches for sale near Armenia.Jun 12, 2013 · 1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. I've had my motorhome for a few years and this problem has been getting worse and worse. I almost wanna say it started after I changed the plugs wires cap and rotor. But I can't say... Diesel Conversions® has parts to replace the gas powered 1967-79 Ford, 1980-1997 Ford 7.3 Power Stroke & 460 Gas, 1999-2003 Ford 7.3 Power Stroke, 2003-2007 Ford 6.0 Power Stroke, and 2008-2010 Ford 6.4 Power Stroke with a 6BT or ISB Cummins. We have parts to install these Cummins diesels into 5.4L or 6.8L Gas Ford Super Duty trucks too!.460 engine,read. 1985 Ford idle problem Now the problem is it will run for a couple of miles and slows down and start backfiring through. ... or the construction of a simple sheet metal intake. 1989 F-250 efi 460 motor back fires out the tail pipe. To not only baseline the 460, but to also test out a D. ... rough idling, and backfiring: these ...88 F-350 with EFI 460 Starting/Running Problems - posted in 80-96 Ford Truck Tech Support: I have a 1988 Ford F-350 with an EFI 460 engine. It will start, run about 2 seconds, then dies. Will not re-start, seems to be flooding at this point. Wait a couple of hours, it will start, run a couple of seconds, die again. I have replaced the high pressure fuel pump, fuel pressure is at about 43 PSI ...The Ford 460 engine is Ford's longest running big block V8, produced from 1968 until 1998. The 460 engine is a 7.5L big block V8 which produced power levels ranging from 197hp to 245hp over its 30 year history. Throughout the years Ford's 460 engine received a number of updates, improvements, and complete redesigns.The Sniper EFI system looks at the closed-loop fuel compensation required to reach your target AFR. It is reliant on the data acquired by the included wideband oxygen sensor. The learn function will offset the base fuel table until the closed-loop compensation only requires minimal changes.Jun 10, 2022 · The #1 Cause Of Rough Engine Idle, Is A Vacuum Leak Vacuum Leaks Vacuum Leaks Anything that upsets the air/fuel balance, will cause a rough engine idle. Usually, the most common cause. Also Read – Vacuum Leak Detection – The Safe Way to Find Leaks Carbon Buildup, On Electronic Throttle Body Or Idle Air Control Valve Electronic Throttle Body So my truck is an 1986 ford f250 with the 460 4 speed manual transmission. It will start right up then bogs down regardless of how much throttle I give it. ... Maintenance & Repair. 1985 f 250 302 efi, runs until it warms up then dies its not overheating, runs rough and idle surges 2 Answers.690 Posts. #2 · Jan 20, 2010. I guess it would depend on the horsepower goal and intended use. Id say its certainly cheaper and easier to build a 5-600hp 460 vs a 302 or 351. If 300hp is all you are looking for then a basic stock rebuild on a 460 would cost pretty much the same as a basic stock rebuild on a 302.I've heard of city/maintenance employees turning the idle higher because they do a lot of task the require the vehicle to go about 10 mph. High idle does that perfectly. Shop the ScannerDanner...I was having a very bad surging idle. it seems much better but not completely good. also its random how it will act up. at its worst it swings from 500-900 r... Mar 15, 2017 · Can you swap a 1970 460 into a 1995 F250 that has an efi 460? Wanting to go carburated and get rid of efi 4 Answers. 1995 F250 4x4 with a 460 efi motor. Want to build a healthy carburated 70 something 460. Can the swap be completed and still use the original truck granny 5 speed. Thanks Andi by tcm308. 06-26-2022, 01:47 AM. Holley Forum User Support. Questions for the moderators - This is for questions regarding user accounts, log in issues, how to use the forum, etc. Please post technical discussion regarding product in the user discussion spaces in the brand areas. Topics: 31 Posts: 115.Diesel Conversions® has parts to replace the gas powered 1967-79 Ford, 1980-1997 Ford 7.3 Power Stroke & 460 Gas, 1999-2003 Ford 7.3 Power Stroke, 2003-2007 Ford 6.0 Power Stroke, and 2008-2010 Ford 6.4 Power Stroke with a 6BT or ISB Cummins. We have parts to install these Cummins diesels into 5.4L or 6.8L Gas Ford Super Duty trucks too!.Jun 12, 2013 · 1968-Present E-Series Van/Cutaway/Chassis - 1989 efi 460 rough idle smooth otherwise Help - Hi all I'm brand new to the forums so cheers. 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