wont idle on 2000 Ford Excursion

when i first start it wont idle but when it warms it will only idle at about 500 rpm there is also no engine light lit up to pull a code any suggestions?

by in Elma, WA on October 13, 2009
1 answer
ANSWER by on October 13, 2009
I would clean out the idle air control valve, they get dirty and cause this problem, if that doesn't help, clean the throttle body. good luck
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