Mechanics

GMC YUKON COOLANT PROBLEM

2002 GMC Yukon • 115,000 miles

I have a 2002 GMC Yukon with the computer controlled climate system. I just turned on the heater for the first time this year and the temperature coming from the vents was not as hot as it normally is with the fan turned to high position. I thought it might be low coolant but that wasn't the problem. Could it be the interior ambient temperature sensor?
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Thuerta6
November 12, 2012.



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