MY YUKON IDLESRUNS ROUGH WHEN I INITIALLY START ...

  • Tiny
  • gshicks
  • 2002 GMC Yukon
  • 150 miles

My Yukon idles/runs rough when I initially start (cold), after it warms up it runs great. Shaky and rough running is only for a few minutes after starting when sitting long or cold. I heard something about cleaning or wiping out (some part?) That gets gummed up, could that be the issue? Can anyone please advie?
Thanks in advance.

Saturday, February 9th, 2013 AT 7:45 PM

3 Answers

  • Tiny
  • gshicks
  • Member

150,000 mi

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Saturday, February 9th, 2013 AT 7:49 PM
  • Tiny
  • rasmataz
  • Member

Check and test the coolant temperature sensor and also clean out the idle air control valve-start here let me know

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Saturday, February 9th, 2013 AT 8:30 PM
  • Tiny
  • rasmataz
  • Member

Also go here: http://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

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Saturday, February 9th, 2013 AT 9:09 PM

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