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2003 PONTIAC GRAND AM RPM IDLING HIGH
2003 Pontiac Grand Am
Doesn't do it all the time. RPM idles at start up 2500-3000 and stays. Changed the tsp/iac & thermostat control valve. There are no vacuum leaks.
Tuesday, May 20th, 2014 AT 4:36 PM
Have you checked for vacuum leaks? Has the check engine light come on? Have you checked the temp sensor?
Tuesday, May 20th, 2014 AT 5:01 PM
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