2004 Chevrolet Monte Carlo Repair Question
Chevrolet Monte Carlo Body Problem
Have you checked the idle air control valve?
57,318 answers provided
still need help....the idle is still too high. we have changed the iac, tps, put a vacum gauge on it, couldnt find any leaks, put it on a computer, it is Not sending any codes. could a bad ignition switch be causing the high idle problem?
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