truck idel will start to go up and down about 15 to 20 sec. after I stop. changed out egr valve and sencer and the iac valve but did nit fix the problem.
Keywords:F150
truck idel will start to go up and down about 15 to 20 sec. after I stop. changed out egr valve and sencer and the iac valve but did nit fix the problem.
Look for a small vacuum leak.
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