1999 Chevy Suburban fast idle

1999 CHEVROLET SUBURBAN
198,000 MILES • V8 • 4WD • AUTOMATIC
Avatar
SUZCAMP
  • MEMBER
  • 1 POST
My Suburban idles way to fast! I have changed the idle air control but it still idles fast......is there some other sensor that knows when I have stopped?
Apr 10, 2010 at 8:05 AM
Advertisement
Avatar
RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Clean the throttle plate, inspect the throttle cable could be sticking/kinked and test the throttle position sensor-
Apr 10, 2010 at 1:18 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.