2000 Pontiac Grand Am acceleration

2000 PONTIAC GRAND AM
162,000 MILES • 4 CYL • FWD • AUTOMATIC
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KIKE30
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  • 1 POST
i recently purchased this car and ever since i purchased it when i turn it on the rpm goes to 1500 to 2000 without accelerating in parking. once i shift into gear it will go down to 1000rpm. i have cleaned the throttle body as i was told it could be dirty but it does the same thing.
Feb 17, 2009 at 10:42 PM
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MMPRINCE4000
  • CERTIFIED EXPERT
  • 8,548 POSTS
Check all vacuum lines for leaks, also remove and clean the IAC (Idle Air Control) valve.
Feb 18, 2009 at 8:18 AM