2000 Pontiac Grand Prix Engine revs when idling

2000 PONTIAC GRAND PRIX
135,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BRSTARR
  • MEMBER
  • 1 POST
When the car is in idle in park, it revs up and down. Then when i take it out of park it dies. it stopped in the middle of driving and at a stop sign. I had to really rev it to get it started out of neutral.

It hasn't had a tune up in a few years.

Thanks for the help.
Jun 15, 2008 at 2:34 PM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
check /replace the idle air control valve, if that doesnt work then check your mass air flow sensor
Jun 15, 2008 at 3:41 PM
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