2002 Chevy Trailblazer ROUGH IDLING

2002 CHEVROLET TRAILBLAZER
126,000 MILES • 6 CYL • 2WD • AUTOMATIC
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HOSTEN2003
  • MEMBER
  • 1 POST
I HAVE CHANGED PLUGS, AIR, FUEL & OIL FILTERS AND YET TRAILBLAZER CONTINUES TO HAVE A VERY ROUGH IDLE WHEN STOPPED.

WHAT CAN THE CAUSE BE?

THANK YOU.
Dec 11, 2008 at 11:45 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure/idle air control/PCV and EGR valves to include the throttle position sensor-
Dec 11, 2008 at 11:49 AM
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