1994 Pontiac Sunbird high idel

1994 PONTIAC SUNBIRD
130,000 MILES • 6 CYL • 2WD • MANUAL
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BRANDOP
  • MEMBER
  • 1 POST
my car is running at a high rpm i have problems starting it and i have changed my fuel pump, spark plus, spark plug wiring, coils, fuel pump relay, fuel fillter and nothing has changed it revse to 3000 rpms i have to start it with eather.
Mar 19, 2010 at 7:24 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
change the pcv valve and check/change the mapp sensor, you may also want to take a look at the egr. all possible culprits.
Mar 30, 2010 at 3:32 PM
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JIM SHIRRON
  • ✓Experienced Mechanic
  • 77 POSTS
I'll bet your IAC is either stuck or has quit[idle air control motor]. Have you or your tech checked that? Sometimes it can be removed and cleaned with success.
Jun 21, 2010 at 12:40 AM
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LEGITIMATE007
  • ✓Experienced Mechanic
  • 5,121 POSTS
that too. you may also want to clean the throttle plate too, if its carboned up, then it can stick open or closed
Jun 21, 2010 at 4:30 AM
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