1989 Chevy Suburban idle

1989 CHEVROLET SUBURBAN
Avatar
JUSTALEX13
  • MEMBER
  • 2 POSTS
Engine Performance problem
1989 Chevy Suburban V8 Two Wheel Drive Automatic

it has a high idle. i replaced the IAC valve with no improvement.
Jan 18, 2009 at 6:18 PM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Did you clean out the idle air control valve passages thoroughly and test the throttle position sensor-
Jan 18, 2009 at 6:23 PM
Avatar
JUSTALEX13
  • MEMBER
  • 2 POSTS
Thank you I will try that.
Jan 19, 2009 at 7:02 PM
Advertisement