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idle


  1. Chapap

    Unplugged vacuum line- runs better - SOLVED: IAC

    I just replaced injectors and PCV valve. I pulled the top half of the intake manifold to do it. Old injectors truly need to be replaced. Now the truck needs some gas to start and almost dies when going down to idle. It catches itself and gets to a decent idle. So what makes it better? Pulling a...
  2. Pix3L8

    thoughts on high-idle

    Hey guys, so since my last post, I got my 2.9 put back together, in the truck, and it's running like a champ, purring like a kitten. You see the only issue that I'm having, which as I understand, is a 2.9 "thing" is that my idle won't go down no matter what I do to it. If I start the truck and...
  3. 1987 2.9l Stalling

    I've got a 1987 Ranger 2.9L that typically likes to stall at idle after getting warm, though it has stalled once when going up a hill at near full throttle. At first, I thought it was a dirty throttle body, then the idle air control valve, then broken vacuum lines, then the TFI module. I've...
  4. DankTank

    2.9L EGR Questions

    I have a '86 Ranger running a '87 V6 and want to check the EGR system. I've heard most cars can detect if the EGR is inactive/not connected and can correct timing, fuel, etc... accordingly. Although I'm not sure if my '86 computer can do that or not. I'd like to be able to disconnect the EGR to...
  5. Idles high until comes to stop

    Hey, Not sure if any can help me but i am having an issue with my 98 ranger 3.0L. the engine responds fine when i am accelerating but when I take my foot of the gas and toss it in neutral or push clutch in to switch gears it hold the rpm's at that point. If I am slowing down and I put it in...
  6. Dprocks100

    Idle issue - About ready to sell this old girl

    This whole problem started 3 weeks ago. I started my truck and let it idle for about 5 minuets and took off down the road. About 1-2 min later when I went to put the clutch in, it stalled as it went down to idle. Tried 4-5 times to start it, and it ran like normal. Drove it another 1-2 min and...
  7. RPMs drops while driving cruising speeds

    No codes, yet. Doesn't store between starts. While driving in 3rd gear or 4th for a period of time the Cluster will show RPM's drop by 1k to 1.5k ability to maintain speed isn't altered. No other notice of issue until come to complete stop. At complete stop the RPMs settle at just below...
  8. spark plug

    High idle

    I have the 4.0l ohv v6 I had a idle of 12-1500 rpm but I have sense replaced the vacuum modulator on the transmission and immediately after I started it and the idle dropped off at 8-900 rpm within a minute or so but now I have an idle of 980-1k rpm I have the evaporator box out but all vacuum...
  9. Rough idle on 02 v6 3.0 ranger

    As with many others, I have found myself facing the rough idle issue on my ranger. I just picked it up last weekend and since then I have noticed that while the truck is at a stop or sitting in park, the truck will idle normally and then every couple seconds it idles (shakes) more rough. RPMs...
  10. runs good for 1 minute then gets choppy, smells rich. and dies.

    Have a 85 ranger with a 2.8, 5 speed 4 wheel drive. Truck only has 60,xxx miles I just bought it and the previous owner said it needed a carb rebuild. No problem. I do the rebuild and the same problem exists. Problem is...truck will start pretty well, then after 30 seconds or so the idle will...
  11. Cold start stalling

    I have a 2.9 that acted up when cold weather came on.When I start it there's no high idle like there normally is.I have to hold slightly open throttle for a few seconds or it stalls.Once it's warm it's fine,I've replaced the intake air sensor in the manifold and the coolant temperature sensor...
  12. Funny Idle

    Hey, so in my 1992 4.0L Ranger with 103k miles. It idles very weird sometimes. Mostly when I start up after the engine is hot. Like if I cut it off after driving for a bit, then go in to the store for 10 minutes or so. Has no problem starting but it only reaches about 1500 RPM when it usually...
  13. NEW ISSUE!! TPS help needed. '94 2.3l

    OK, '94 2.3l 5 speed, no AC, California emissions. So I've been chasing down all these damn CEL issues, One MIGHT have been caused by a heater hose laying across the air charge/temp sensor. I'll update on that later. Today I decided to test the TPS signals. OK, as follows, the main voltage...
  14. Low idle after start, runs fine

    I have had an extremely difficult to diagnose idle issue that has been ongoing for years. It doesn't happen always but seems to be getting more severe recently. The truck is a 1997 4.0 ohv with 160k miles. When I start the truck it will start without any problem. But after it starts The rpm...
  15. 1986 4x4 ranger xl 2.9 timing/cooling issue's

    when i bought this truck 23 months ago,the previous owner had done a tune up & mis-wired the ignition & she was running on 3 cylinders,not sure how long he ran it that way,i re-wired her & she ran much better with the exception of running much too warm,actually boiling if the heater wasn't...
  16. Rough Idle and Shake at Low RPM's

    I have an automatic 2001 Ford Ranger with 175,xxx miles. I know this has been asked plenty of times, but I feel that my case is a little different. The ever so popular rough idle with the 3.0 engine. It has been doing it for quite some time now. Also, my truck shakes when I hit 1500 RPM's. But...
  17. 1998 Xlt 4.0 Idle Problem... PLEASE HELP!

    Im having a problem. My truck is idling inconsistantly from around 600- 1100 about every 8-10 seconds. the engine isnt dying or studdering, its just idling funny. its to the point where if im stopped with my foot on the brake and it idles up i have to press the brake more so the truck doesnt...
  18. Idle Issues!

    Just a quick overview of what im working with! 2000 ford ranger 4.0 W/ 5 speed. New clutch, fuel pump, Bored .30 over (no i didn't punch out the original block, its a kit), New alternator, plugs/wires, 160 degree thermostat, Cold air intake, Dumped Flowmaster 40. yada yada YAHH right...
  19. 1994 b4000 idle/rev issue

    1994 Mazda b4000 4x4 216,xxx No mechanical issues other than a leaky break hose and one I can't figure out, on occasion when stopped or on neutral the rpms jumps and the engine revs, like if the brake weren't depressed or it was out of gear it would lurch forward, like...vuh! Buhbuhbuhbuh vuh...
  20. Best Parts for tune-up?

    Hello all, I just purchased a 1996 b2300 4cyl. Automatic. The truck has 103,000 miles on it. I got the timing belt changed but could definitely use some new parts and tune up. Asking for advice on what parts to replace which will give me most bang for my buck. Spark plugs coils radiator...


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