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92 cavilier

Tiny
JIMDTNCF
  • MEMBER
  • 1992 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 300,000 MILES
92 cavalier running (slow idle) speed in warm weather. Runs great when it's under 85 to 90 degrees ambiant
Saturday, April 2nd, 2011 AT 10:44 PM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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Saturday, April 2nd, 2011 AT 11:15 PM
Tiny
JIMDTNCF
  • MEMBER
  • 4 POSTS
Wrenchtech,

Thanks very much! That old hand-me-down car (from my wife to me) just keeps on going, but it has been cared for properly and still gets 35 MPG on the freeway.

Jim D.
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Sunday, April 3rd, 2011 AT 12:58 AM

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