High Idle Promlem 99 Mustang GT
Posted 03-22-2011 at 04:03 PM by JVander21
Im lost on what to do, my rpms get hang at 1400 when im at a stop light in neutral. I replaced the iac valve like the code said to do. And still the same thing. It has a iac restrictor plate on it. Any help on what else I could check would be great thanks.
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