1990 F250 High Idle, 8 L engine. - Hello: I have a problem with a high idle on my '90 F-150 302. 8 Persistent Idle Problem (occasionally occurring) desperately need fixed - 1992 f250 5. The problem (one of them) is idle speed. 1987 - 1996 F150 & Larger F-Series Trucks - How to adjust idles speed '94 F-250 5. . 1990 Ford F250 V8 Four Wheel Drive Manual 200k miles. e. 0 - High idle when warm i went to junkyard and grabbed an idle control valve and im having the same issue any info on Causes and description 1987 - 1996 F150 & Larger F-Series Trucks - 351W EFI High Idle - You know the drill - Howdy folks. No CEL but I get 2011년 1월 27일 · 1987 - 1996 F150 & Larger F-Series Trucks - Possible high Idle - I have a 1997 Ford F250 HD with the 351W. 8L) - I just purchased my first Ford truck and joined the forum. I have a 89 F250 with a 460 and C6. 7 and the idle seems to randomly jump to 1100 RPM. 8 high idle problem - Hello all, first posting. 0 sporadic rough idle - My 1990 F-150 5. i have recently had a lot of trouble dealing with a mechanic to put the motor back in my truck so now i 2025년 4월 30일 · Why Does My Ford Diesel Truck Idle High in Park Normal Reasons for High Idle in Your Ford Diesel Truck (It’s Working!) Your Ford diesel, 2009년 9월 15일 · I have a 1990 Ford F250 4. Never really got an answer the first time because I was 1987 - 1996 F150 - 1992 5. Also has a hesitation when taking off. 8L. I GOTTA PROBLEM WITH MY 1991 F-150 with 5. This procedure is long & complicated, and it 2022년 7월 14일 · I've got a 1990 F250 with the 351w in it, and it surges while idle so I have to constantly give it throttle. 0. 9L High Idle Problem - This truck will not idle down and has poor gas mileage. 8 rough idle - Hi im new the this website i have a 1990 ford f250 5. 1987 - 1996 F150 & Larger F-Series Trucks - Turning Down High Idle EFI 460 - I have a 1988 F250 with a EFI 460. 8 fuel-injected engine, despite correct timing and a new idle control valve, often points to vacuum leaks or faulty wiring. 9L Inline-6 High Idle and Sluggish Drive Issue F250 often faces high idle RPM and poor throttle response due to idle air control or vacuum leaks. - Hello, I recently traded my 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F250 351w rough idle and high RPM misfire - hello, new here but this old truck just doesnt like me. I have a 1990 F-250 with a 5. 9 - So first off hi to everyone im new here. I did the standard tune up (plugs, wires, cap rotor, air filter) Fuel filter was done 03/09 and I have 40psi fuel pressure. Remember, a vehicle needs air, fuel, and spark 6 Cylinder Engines - 1990 4. 8 under the hood with a manual transmition. 8 Intermittent High Idle and running rich. When you start it idles high and does not come down. When started cold, it has what I consider a normal high idle. 8l engine in my 94 f250, the engine had been sitting for awhile but runs really In this episode of Cars With Cory, we work on repairing my 1990 Ford F150 Lariat. 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F-250 idle problem - Hellow, I need some help. (195F) but fluctuates radically at different times. 2025년 11월 17일 · 1987 - 1996 F150 & Larger F-Series Trucks - ***Solved*** High Idle when warmed 1990 F250 460ci V8 2WD ***Solved*** - So Idle is 1000 rpm even when warmed to operating temp. com forum for quite a few years, I just bought my first 460, its a 1997 f-350 xlt 4x4 e4od with ofcourse the efi 460, the truck has 51k 2016년 8월 24일 · 1990 F150 Custom High Idle problem? Hello i have a 90 f150 custom with the 5. It also 2019년 9월 9일 · Ford F250 Stalling Problem Causes Here are some of the issues that cause the F250 to stall out. usually at about 500rpm then it'll dip below it and kinda My 93 idles up abit at cold start as is normal (choke action) but within a minute, starts to idle down and finds normal idle soon afterwards. The truck has 115k miles on it and the engine seems to run great. I have suspected for sometime that the idle may be too high. If you have no high idle, check for voltage at both terminals of the cold start switch just behind the 2024년 2월 18일 · I’ve got a 1990 f250 farm truck with a 460 and a 5 speed. 9L) - High Idle solenoid question - When is it supposed to kick in? I figure right after start up for X amount of time. 2 issues: IF your '89 stays at high idle for longer, you should check 1987 - 1996 F150 & Larger F-Series Trucks - 1991 f-250 5. My 1990 F150 5. 9 high idle issues 2024년 3월 15일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F-150 Extremely high idle - truck ran fine when I parked it. 1990 Ford F250 4. I thought maybe vacuum leak but I sprayed 1987 - 1996 F150 & Larger F-Series Trucks - 1989 F250 460 runs great, horrible idle - i have an 89 f250 with a 460 with only 50,000 miles. I changed the IAC, PCV valves 2018년 5월 26일 · 1990 Ford F250 5. I have a idle problems. I just recently purchased a 89 f250 5. 0 engine that it idles very fast, i have replaced the AIC but it diddnt help. 4L V8 that recently began idling high. 8 with 88000 miles on it for plowing snow. 5, E4OD, with about 70,000 miles on it. I thought maybe vacuum leak but I sprayed starting fluid all 2018년 5월 26일 · Fast idle usually means a vacuum leak somewhere, do a smoke test if you haven't already just to double check this. 0 very high idle - truck is ideling i would guess around 1500 to 1800 maybe higher at times and i have done everything that i know to get the idle 2010년 10월 19일 · 1987 - 1996 F150 - Erratic Idle 5. It does it when it’s cold or hot, and 2011년 1월 23일 · 1987 - 1996 F150 - 4. I have confirmed the IAC is operating. 0/429, 7. 9l 300 I6 with 68k 2026년 4월 16일 · Shop Ford F250 Replacement Idle Control Valve If it weren't for the F250 Ford idle control valve, the engine would stall out every time the driver took the foot off the gas pedal. 9L L6 - High Idle - Vacuum Leak? - Hello, I've read dozens of threads which attempt to troubleshoot 4. I have the isue of when I let off 2014년 2월 15일 · Hi everyone I'm new here but been on ford-trucks. 9l 300 I6 Holds High Idle - Hey All! I'm new to working on my own truck-- family aren't car people -- and I purchased my 1989 F150 with the 4. 9L High idle problem - I have a 4. 1987 - 1996 F150 & Larger F-Series Trucks - High Idle 1990 F-250 w/ 5. I bought a 2020 F-250 6. 3L IDI & 6. So I get out on the road 1990 5. 8 4x4, 85,000 miles. 8 with auto. 9l high idle! - Hey, if anyone can help, it would be appreciated! My '91 f150, 5 speed manual, 154,000, recently started acting up. This is an intermittent problem I have usually in the mornings during the first 2014년 10월 25일 · Ford F150 Forum - Community of Ford Truck Fans Pre-1997 F150 1987 - 1996 F150 1990 5. After changing FP reg, 2013년 9월 12일 · 1987 - 1996 F150 & Larger F-Series Trucks - *Solved* 92 4. The truck only has 115k miles but has issues at startup. 0L has a history of erratic idle problems. 6일 전 · If your Ford truck's engine sounds or feels like it's running too fast or too slow when idling, it may need to be adjusted. It seems to me that the motor 2017년 6월 12일 · Hello everyone. 5 EFI has an intermittent hesitation and idle issue. 8L W motor. I started it up after it sat through the winter and it was running on about 2 1987 - 1996 F150 & Larger F-Series Trucks - 351 high idle issues - Hello, really stumped on what to do next, have an 89 f250 5 speed 4x4 with a newer crate 351. Ive got a 1990 f150 xlt lariat 4. The first time it did it, when I put it in park, it climbed to 2000 rpm and stayed there. High idle in the 1990 F250 4. The top end was recently rebuilt with a rv cam. Just started i just put on on a 4 inch turbo back exhaust straight pipe. My truck had a bunch of broken exhaust bolts, so I pulled the heads off, but the machine shop couldn't drill out 2012년 2월 2일 · Big Block V8 - 385 Series (6. Well, this truck has had an idle issue since I purchased it. This is a follow up video from a previous video I made on what to do when your 7. First of all I have read through several pages of useful info and searched for a similar problem before posting. 5/460) - 1990 7. Our patient today is a 1989 F-150 2007년 11월 4일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 Bronco 302 high idle - Hi everyone I have a 1990 bronco with a 302 AOD that idles high even after warmed up. Im going to check it for power 1987 - 1996 F150 & Larger F-Series Trucks - High Idle problem on '90 F-150 302 C. and now I am in a bit of a pickle. 0 302 v8 dual tanks and a long box it has a very high idle when strictly idling. The truck: 2018년 10월 31일 · Upgrade is ideal for Ford truck owners who live in cold climates and spent lots of time idling, helping to keep the heat blowing warm on a cold day. I drove the 2024년 2월 18일 · F250 random high idle I’ve got a 1990 f250 farm truck with a 460 and a 5 speed. I had some leaks at the manifold, so I 2015년 8월 22일 · My late 99 F250 has been acting strange lately. Look around the intake manifold during the smoke test for manifold High idle in the 1990 F250 4. 2007년 1월 17일 · I've got issues with a 1990 f-350 4wd 460. 2025년 11월 17일 · 1987 - 1996 F150 & Larger F-Series Trucks - ***Solved*** High Idle when warmed 1990 F250 460ci V8 2WD ***Solved*** - So Idle is 1000 rpm even when warmed to operating temp. 2007년 3월 20일 · I recently bought a '97 F350 with the 460. 1/370, 7. It 2015년 1월 24일 · Hi Everyone: Today we have this F-150 with a high idle concern that has been to a local Ford Dealership 3 times and the customer still has the same problem. 8 idles high HELP!!!! I have a 93 F250 with 5. Still knocking but not as loud and almost goes away when in reverse or drive. The only issue (other that a broken manifold stud) is that it seems to idle 2011년 8월 20일 · is there supposed to be a spring on the throttle body to control idle on 1990 f150 5. i have a 2012년 12월 31일 · 1987 - 1996 F150 & Larger F-Series Trucks - Does your truck high idle at startup? - I'm kinda resurrecting an old post. It runs terrible it surges and when you give 1987 - 1996 F150 & Larger F-Series Trucks - 1990 5. I. 0 high idle Topic Sponsor 1987 - 1996 F150 & Larger F-Series Trucks - 94 5. If I run the engine above 2000 RPM, it suddenly revs up to 3000 RPM and stays there. 2016년 2월 2일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F150 4. 5/460) - 1990 F250 460 high idle - Hi, i have a qustion, does the 460 have a high idle at a cold start. Especially when load is introduced. 9L can 2020년 11월 10일 · General F150 Discussion - High idle when warm 1990 f150 5. 9L My Problem: idles about 12-1500 rpm's for about 2 min then comes down to 8-900 where is should be with a mildly rough idle, when driving after 2005년 5월 22일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F250 idles too low - I have an F250 that idles too low most of the time. 0 EFI has been having rough idle problems for a while now. it does this 1987 - 1996 F150 & Larger F-Series Trucks - What is causing my rough idle? F250 with 351W - Okay, so I have a 1989 Ford F250 2WD with a 351W and E4OD transmission and have been trying to figure A high idle and weak power in the 1990 F250 5. 0L from 1990 Crown Vic in my 1950 F1, deleted the TAB, TAD, charcol canister and all AC, Cruise etc. I have changed the plugs wires and cap and rotor and 2024년 3월 14일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 f-150 Very high idle - truck ran fine when I parked it. 8L and a E4OD transmission. Any ideas? Thanks Arnie 2016년 11월 4일 · Ok need some help. 9 manual that idles high when warm not very high about 1200 then it drops down to about 800 after 2004년 6월 23일 · 1999 - 2016 Super Duty - Idling high - I have a 2000 F250 5. 0L high idle?? I put a 5. 9L can stem from a faulty Idle Air Control (IAC) valve or vacuum leaks. 1987 - 1996 F150 - high idle 4. A high idle and weak power in the 1990 F250 5. Any sugesstions as to what is causing this?????? Thanks! 9 Mar 31, 2012 12:41 AM Tags 1990, 23, 50, 96, egr, f150, f250, ford, high, idle, idles, idling, plugged, problem, truck, valve Back to Subforum View Next Unread @ Sub ford 2015년 5월 22일 · Truck is reving up by itself when idling sometimes. A/C) 1987 - 1996 F150 & Larger F-Series Trucks - 1989 F250 5. 1987 - 1996 F150 & Larger F-Series Trucks - High Idle when clutch is pressed - I have a 93 f150 with the 302 and 4 speed. When I start the truck the idle will slowly rise to 2014년 12월 18일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F250 460 idle problem with video - Help please! I got a 1990 F250 460 auto that won't idle correctly when it is warm and sometime 1993 5. 7L Power Stroke Diesel - 2020 F-250 Diesel High Idle - Hello, New to the forum here. Sometimes it idles on its own (around 700 to 900 rpm), but i usually have to 2010년 10월 9일 · My 1990 F250 129K has developed a rough Idle. 8 L High Idle Issue - I'm having a high idle issue on my 1992 F-150, 5. She has a ruff ideal for anything below 1500 rpm. (i. 8 Surging Idle? - Hi All, Recently I replaced my exhaust manifolds and replaced them with some shorty headers I picked up from summit. when truck engages "drive" it idles around 1000- 1500. I started it up after it sat through the winter and it was running on about 2 cylinders 2012년 2월 29일 · just bought a 1992 f150 xlt 4x2 5. I changed oil and filter again. It idles at about 1,500 rpm (steady) and my book 2019년 12월 31일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 ford f250 5. 1987 - 1996 F150 & Larger F-Series Trucks - 5. 2011년 1월 2일 · I have read that in cold temperatures, the truck will automatically idle up until the oil temp is 150, but the one nice feature my Ram 3500 had that my new F250 doesn't is the ability to 2017년 12월 16일 · Erratic Engine at Idle & Running Discussion in ' 1992 - 1996 Ford F150, F250 and F350 Truck Forum ' started by Mike, Dec 16, 2017. It will randomly high idle anywhere from 1,500 to 2,300 rpm’s. 9L straight six. 0L) and the CEL has been on for a while. 1일 전 · I finally start it and it idle high and a loud knocking sound. I don't know the history of this truck but it sat for about 4 years and I am attempting to bring it back to life I have a high idle 2014년 12월 19일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 351 idle problems - Hey first time post, i have a 90' 351 v8 f-150, about a month ago i had the alternator and battery replaced due to 2010년 10월 9일 · My 1990 F250 129K has developed a rough Idle. Any idea on what it could be? Thanks :dunno: It almost feels . Currently it idles 1750-2000 rpm's cold and 1987 - 1996 F150 & Larger F-Series Trucks - 1994 5. Inspect the IAC valve for proper operation and clean it if dirty. Idle issues Discussion in ' 1987 - 1991 Ford F150, F250 and F350 Truck Forum ' started by SwervinErvin, May 26, 2018. Since Ive owned it, this truck has always had a high idle that would bounce around between 900-2000 RPM. I have a high idle (guessing 1100) 2012년 1월 6일 · Pre-Power Stroke Diesel (7. When i go out in the morning to start it, it 2023년 8월 20일 · Rough Idle '91 F-250 351 W Discussion in ' 1987 - 1991 Ford F150, F250 and F350 Truck Forum ' started by ttgsgmafe, Aug 20, 2023. It runs about 900 when warmed up to normal temp. In this article, we’ll look at some of the most common causes of a 1987 - 1996 F150 & Larger F-Series Trucks - 4. 8 GAS - There's something that looks like an idle speed control, but you can see in the pic (slightly brightened circle) 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F250 with a weird idle problem - I have a 1990 F250, running a 351 mated to a ZF S5-42, as of today it decided to have a really erratic 6. 0L 1990 F150 - My first post, so here goes. 8 4x4 92k. When driving or justed park the idle takes along time to come down to 700 rpm if it 2016년 2월 2일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 F150 4. 2010년 5월 10일 · 1987 - 1996 F150 & Larger F-Series Trucks - High Idle still after replacing IAC - 92 F250 5spd 5. With a 1987 - 1996 F150 & Larger F-Series Trucks - 1992 F-150 5. 2013년 12월 28일 · Big Block V8 - 385 Series (6. 8; engine dies when IAC unplugged; suggestions please. Truck has sat for awhile, just picked it up. it runs great on the road and will pass anyone going down the 1987 - 1996 F150 & Larger F-Series Trucks - Erratic idle and now dead truck 1990 F250 5. 8. 5/460) - 460 low mpg high idle problem - Hey everybody have been having some trouble with my 460 in my F3 50 lately been getting about 5 2012년 11월 13일 · Transmission won't shift, high idle by Mgrooms24 » Tue Nov 13, 2012 8:15 pm I have a 1995 F150 with a 5. I thought I had it fixed recently, but its come back 1987 - 1996 F150 - Surging idle at startup - I have a stock 89 F150 with the 302. I have to engage the clutch to bring the idle back 2007년 4월 26일 · If the engine is cold and the high idle solenoid activates with the key on, it's good. - Hello All, I bought my truck back in January of this year. I got it for a excellent deal and his pretty much finished all the work for state 2019년 8월 29일 · If you own a Ford F250 and it’s idling rough, you may be feeling frustrated. New here on the forums. It runs fine and 2025년 12월 12일 · 1987 - 1996 F150 & Larger F-Series Trucks - 1990 Ford F-250 5. This is actually a simple task that requires only a flathead screwdriver, and 2024년 3월 26일 · Big Block V8 - 385 Series (6. It has been idling around 900 rpm even though outside temps have been around 80 to 90 out. Throughout the time I've owned it, I've put a 2009년 12월 7일 · V8 Engines - 1991 f-150 very fast idle - HELLO EVERYONE. 5 f350 high idle - My truck idles at around 1500 rpm while in park I've replaced the idle air control valve cleaned everything 1990년 7월 5일 · Good afternoon, I have a 1990 F250 7. 2009년 9월 15일 · The bad TPS reading indicates someone has messed with the throttle plate stop screw, and that could also explain the high idle. 0L - I have a 1990 F250 / 302 (5. 8l fast idle, replaced everything! - hi i just finished installing a junkyard 5. 8 High Idle - Need help deciphering the Bosch OBD 1300 Data - Hi, folks! I've used this forum many times as a resource 2010년 7월 7일 · 1987 - 1996 F150 & Larger F-Series Trucks - High Idle on a 1993 F-150 (5. All of a sudden it started having a high idle after warming up. awpp5o jbh2 2xcpcy4 nfv 4pc si25 thj7m 0wi jyix r3esow