1994 Pontiac Sunbird high idel

1994 PONTIAC SUNBIRD
130,000 MILES • 6 CYL • 2WD • MANUAL
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BRANDOP
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  • 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 2:24 PM
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LEGITIMATE007
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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 10:32 PM
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JIM SHIRRON
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  • 77 POSTS
  • ASE Certified Mechanic
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 7:40 AM
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LEGITIMATE007
  • ✓ASE Certified Mechanic
  • 5,121 POSTS
  • ASE Certified Mechanic
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 11:30 AM
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