2007 Chevy Colorado Low idle while stopping

2007 CHEVROLET COLORADO
81,000 MILES • 4 CYL • 2WD • AUTOMATIC
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HOOPZOODAD
  • MEMBER
  • 1 POST
I am having an issue with my idle dropping down to 500 and almost dying when I am slowing a stop. The idle is fine once I come to a complete stop. It only happens when I am slowing to a stop. I have replaced to air filter and that didn't help.
Sep 6, 2010 at 4:27 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
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.
Sep 6, 2010 at 4:58 AM
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