2005 GMC Canyon idle problem

2005 GMC CANYON
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GGALETTO381
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Shakes or Wobbles problem
2005 GMC Canyon Four Wheel Drive Automatic 63000 miles

The truck vibrates when idling at a red light but does not vibrate when driving i think it may be something in the fuel injector maybe idk though hopefully you can help thanks... there is no check engine light on either
Feb 8, 2010 at 7:12 AM
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MADMIKE1735
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only at idle, i would look into the IAC (idle air control) its located on the throttlebody... possible a piece of carbon is causing the solenoid to stick.... clean it out with some carb clean, and see if that helps...
Sep 7, 2010 at 1:11 PM