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Ford Repair/High Idle - 2002 F-150


Collin wrote at 2012-05-07 17:26:26
if you umplug the iac and the idle goes down to 500 rpm or so, mostlikely a bad iac valve. BE CAREFUL OF AFTERMARKET VALVES! go to the wreckers and get one from there.  the aftermarket ones have a very strong spring inside which makes the idle high.

gord wrote at 2012-11-28 19:32:50
or you can just get m.a.f. cleaner at canadain tire and clean it

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Most of my knowledge is in gas engines. My strong suit is not w/ diesel.I am P2 A.S.E Certified.


I can usually answer the questions in Maint. and repair of early and late models.

ASE Certified Parts Specialist

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