2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

Need Help

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Old 12-14-2007
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Need Help

my 2001 edge 3.0 started her up today and the idle was rough when i put it in drive then there is some vibration and when i pull out also. once the rpms go up its runs fine just on the pull out and idle
 
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Old 12-15-2007
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I don't know what you mean by pull out but have you looked at the easy stuff.

How many miles on the spark plugs, spark plug wires, cracked or defective coils, water in the fuel?

Check engine light on?

Did it do it just once or all the time?

How long has it been doing it?
 
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Old 12-15-2007
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Sounds like a bad IAC valve.
 
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Old 12-20-2007
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whats a iac valve
 
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Old 12-20-2007
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by pull out i mean when i first accelerate from like 1000 to 2000 rpms
 
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Old 12-20-2007
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The IAC was new to me too. It is an aluminum cylinder about 1.5" in diameter and about 3" long and is just behind the throttle plate on the intake manifold. It gets carboned up and can cause rough idle or the engine to die when you start to take off at a stop. You can clean it yourself if your mechanically inclined. A shop can do it for you. If that don't work you will have to replace it.

How long has it been since the spark plugs were changed? Check for bad plugs or plug wires or vacuum leak first. There are several things that can cause rough idle but it does sound like the IAC valve.

I just cleaned the IAC on my 2003 Ranger and it is right on top of the maniflod just behind the throttle body assy. It was a little carboned up and easy to clean.
 

Last edited by Ranger Carl; 12-21-2007 at 09:58 AM.
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Old 12-22-2007
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what do u clean it wit?
 
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Old 12-22-2007
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This is what the IAC valve looks like:




Carb cleaner works good to clean the IAC valve.
 
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Old 12-26-2007
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yeah check engine light is on
 
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Old 12-26-2007
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mine has done that since i got it. it never dies just shakes an then we off..
 
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