Question about 2005 GMC Yukon Xl Denali

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Motor stops running when the temperature is over 70 degrees.

It will start back up after you come to a stop. Have had it put on the computer at dealer shortly after this happened and they can't find anything.

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Have your GM Dealer install a Data Recorder device. They should have a few of these just for this reason.

When the problem happen you press a button and "hopefully" pertinent data is recorded giving your GM Technician good info to go on.

I am just going to throw this out there If you have a NON-GM PCV-valve installed I have seen the engine idle down too low and at times-quit.

Good Luck
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Dave

Posted on Mar 13, 2009

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