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1994 Chevy S-10 idle

Tiny
MELISSA_10
  • MEMBER
  • 1994 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 244,000 MILES
I have a 94 chevy s10 ext cab 4x4. It is idleing low, so low that when coming to a stop it will cut off. The brake booster, vacume hoses, spark plugs and wires, air filter, and fuel filter has been changed. Yet the problem still exists. What could the problem be and how can I fix it.
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Monday, September 13th, 2010 AT 7:11 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 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.
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Monday, September 13th, 2010 AT 7:25 PM

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