Mechanics

CHEVROLET MONTE CARLO HIGH IDLE PROBLEM

2004 Chevrolet Monte Carlo • 100,000 miles

The rpms are running to high, in park, 2000 and in drive at 50mph 1500-2000. Checked for vac. Leaks, and o2 sensor, cleaned thrott. Body, so far, nothing has fixed the problem. What else can be done
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Guest
February 4, 2013.




Have you checked the idle air control valve?
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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?

Tiny
Mrsdavenport
Feb 24, 2013.

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