2003 Pontiac Grand Am rpm idling high

2003 PONTIAC GRAND AM
148,000 MILES • 2.4L • V6 • FWD • AUTOMATIC
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MELODYB
  • MEMBER
  • 1 POST
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...
May 20, 2014 at 9:36 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,239 POSTS
Have you checked for vacuum leaks? Has the check engine light come on? Have you checked the temp sensor?
May 20, 2014 at 10:01 AM
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