STALLING WHEN STOP OR IDLE

  • Tiny
  • ronrsp
  • 1987 Oldsmobile Ciera
  • 13,000 miles

Why 1987 olds cutlass ciera stalls after running for 20 minutes or when in idle or stop. On expressway runs fine if I dont stop cuts off when I slow down

Sunday, February 19th, 2012 AT 2:17 PM

1 Answer

  • Tiny
  • Wrenchtech
  • Expert
  • 19,541 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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Sunday, February 19th, 2012 AT 2:41 PM

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