2004 Chevrolet Monte Carlo Rpms Running High Park 2000 Drive 50mph 1500 2000

2004 CHEVROLET MONTE CARLO
100,000 MILES
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ANONYMOUS
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  • 1 POST
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
Feb 4, 2013 at 11:58 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Have you checked the idle air control valve?
Feb 4, 2013 at 1:06 PM
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MRSDAVENPORT
  • MEMBER
  • 5 POSTS
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?
Feb 24, 2013 at 8:21 AM
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