This is topic Idle air control valve in forum Tech Talk at Northern California Ford Owners .
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Posted by Ronnie707 (Member # 8621) on
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When its cold out side and i first start my car it surges back n fourth between about 600-1200 rpms however after about 2 mins when its warm its fine again...heard it could be the idle air control valve??would i need to adjust it or just replace it??thanks for the help
Posted by Nifty50 (Member # 9987) on
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The IAC is not adjustable, so if that is the problem then it will need to be replaced. Another option would be to fiddle with the idle adjustment screw that is near the throttle linkage underneath the throttelbody to see if that remedies your problem. Also for future reference make sure to post the year, make and model of the car in question, the more we know the better we can try to help. And also are you using or have you installed an aftermarket tB?
[ November 29, 2012, 03:02 AM: Message edited by: Nifty50 ]
Posted by *Als50* (Member # 6003) on
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Just use some brake cleaner and clean it out.
Posted by 9svt8' (Member # 11410) on
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I had a ford ranger do the exact same thing & it was the IAC
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