Question about 1995 Ford F250

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351 wont idle down

Changed idle control valve still idles at 2000

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  • 244 Answers

Check vehicle for a vacuum leak the intake gasket is a common leak on that vehicle

Posted on Apr 28, 2015

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fixincars
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SOURCE: idle control

The Idle control Valve will not in most cases help you check for a vacuum leak that csuses High Idle in Taurus a lot check for the PCV hose.

Posted on Jul 29, 2008

  • 393 Answers

SOURCE: bogs when accelerating from an idle, rough starts.

listen for a vaccum leak.also try disconecting bat for 5 min the reconnect and start truck and hold idle at 1500-2000 for 5 min. this resets and teaches computer to self adjust

Posted on Nov 16, 2008

  • 179 Answers

SOURCE: car revs up whilst stopped, idle problems

you need a new oxygen sensor

Posted on May 31, 2009

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SOURCE: rough idle up and down 1988 ford bronco

Try discoonecting the battery for a few minutes, and then reconnect and drive it, it may have to "relearn" proper idle speed.

Posted on Nov 06, 2009

  • 10 Answers

SOURCE: we have a 1989 ford 150 van 351 and it idle very

idle air control valve needs replaced loaded up with carbon

Posted on May 10, 2010

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1 Answer

2000 f150 slow to idle down-it takes about 15 seconds to slow down


idle control valve

V6 is that the 5.4 ?

you can clean it first see if it fixes the problem

26317747-igf4vixkefavsop0s5kuy20y-4-0.jpg

26317747-igf4vixkefavsop0s5kuy20y-4-1.jpg
Ford F150 5 4L dies at idle How to replace the Idle Air Control Valve

Oct 19, 2016 | Cars & Trucks

1 Answer

Where is the idle control valve located on a F250 351?


Depending on the year, the valve is attached to the throttle body.
Ford calls it an idle air bypass valve and it is a silver cylinder with a wiring plug in one end.

Feb 09, 2013 | Cars & Trucks

1 Answer

Why would a 2000 stratus not idle when warmed up


his problem is commonly caused by a dirty automatic idle speed control valve and throttle valve. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control

Aug 29, 2012 | 2000 Dodge Stratus

1 Answer

2000 Mercury Mountaineer 5.0L engine. idle speed speeds up and slows down. Idles too fast.


dirty or bad idle air control valve i would at worst the egr valve but most likely the idle air control valve which controls the air and idle from the throttle body try taking it out and cleaning the tip as well as in the throttle body where the control valve goes in if that dosent work replace it and the check engine light does not have to be on for it to be bad.good luck to you.


10 year ford tech here.

Aug 26, 2011 | 2000 Mercury Mountaineer

2 Answers

In my 2000 Saturn SL1 I am experiencing very high idle (2000 rpm warm - higher cold). I have cleaned the throttle body and the idle air control valve with no improvement. What next, replace the idle air...


You could try replacing the idle air control valve but I would obtain one from a local salvage yard, its cheaper and you are not certain if thats the problem, another thing i would check is your intake manifold gasket where it meets the cylinder head, if tha gasket is cracked or leaking it will allow excess air to enter the engine and make it idle higher, the easiest way to verify this is get a can of carb and choke cleaner and spray it all around the intake gasket area, if the engines idling characteristics change drastically then the gasket is bad and needs to be replaced if theres no change in the idle I would start looking for vacumm leaks and the idle control valve issue, which you specified.

Jul 03, 2010 | 2000 Saturn SL

1 Answer

We have a 1989 ford 150 van 351 and it idle very


idle air control valve needs replaced loaded up with carbon

Apr 23, 2010 | 1988 Ford Econoline

1 Answer

System not ready...idle varies from 1000 to about wont pass emiss


I changed the Idle Air control Valve and it lowered the idle speed for about a week, when you remove the old one make sure you don't move the valve spring rod because will need to set the new one to match. I spoke to a mechanic and he told me that it may be the Catalytic Converter causing the issue. I haven't had that checked yet but the (IACV) didn't solve my issue.

Nov 17, 2009 | 2000 Saturn SL

4 Answers

Will not hold idle, runs fine at speed


check your Idle air valve thats what keeps your car with the right air mixture or check you idle screw for proper rpms usually they are under 1000 rpm 950 around there but i suspect it might be you air valve sensor the idle screw usually dont get outof adustment because if set from factory but is something you can look at

Aug 02, 2009 | 2000 Dodge Ram 1500 Truck

4 Answers

I have a 1988 ford bronco full size xlt it is ideling low when u


I just had the same issue with my 88 xlt w/351 W it wound up being the MAP sensor and the timing. I would check both of these and see if it solves your issue.

Feb 17, 2009 | 1988 Ford Bronco II

1 Answer

Bogs when accelerating from an idle, rough starts.


listen for a vaccum leak.also try disconecting bat for 5 min the reconnect and start truck and hold idle at 1500-2000 for 5 min. this resets and teaches computer to self adjust

Nov 08, 2008 | 1991 Ford F150

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