Mechanics

WHAT IS THE PROBLEM HER ENGINE HOT AND A/C OO

2008 GMC Acadia • 6 cylinder AWD Automatic • 76,000 miles

Acadia 2008 uae specification awd slt, what is the problem here engine hot a/c off even the temperature needle is only75c and not going up or down fixed to the lowest like if the car off. Acually I saw this message after I drive only7minutes without a/c at night normally(a/c was already off).I want to know what is the problem her and how to fix it, the gauge needle is only 75 the lowest fixed and even I think the engine is ok. And I tried to put the a/c on after that but I coud not.
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Nazzal
April 2, 2011.



Check the temperature sending unit.