My Buicks supercharger will not slow down for normal driving the RPM's jump up on 2001 Buick Regal

car will not slow for normal driving engine running way too fast have to hold the brake to keep from losing control of car.

by in Akron, OH on October 09, 2013
1 answer
ANSWER by on October 09, 2013
Idle air control problems. need more info- like the IAC counts--

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