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1993 Chevy Corsica Idle Problems

Tiny
SMDUNN
  • MEMBER
  • 1993 CHEVROLET CORSICA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 96,000 MILES
Happy New Year.
My car Idles very high, Ive already replaced Throttle Position Sensor and Idle air control valve Its still Idles fast. I even Adjusted the Screw all the way in, it still idle fast and it also stalls when I stop fast or when slowing down I let off peddle to fast. What is causing this?
Steven Dunn
Volga WV
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Wednesday, December 30th, 2009 AT 12:14 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Might be a good idea to check for vaccum leaks or a plugged up pcv valve.

If your getting air in the system that isnt needed the computer will dump more fuel and more air and more fuel means higher idle.
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Thursday, December 31st, 2009 AT 2:22 PM

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