ON COLD MORNINGS CAR STARTS FINE AND IDLES ABOUT...

  • Tiny
  • Anonymous
  • 1999 Infiniti G20
  • 90,000 miles

On cold mornings car starts fine and idles about 1599 rpm but when put in drive it will stall after a foot or two. Wait for engine to warm up and everything fine.

Tuesday, December 11th, 2012 AT 2:06 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,073 posts

First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try 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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Tuesday, December 11th, 2012 AT 2:12 PM

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