Question about 2006 Chevrolet HHR

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My coolant Temp gage goes out and comes back on after about 50 miles. sometime it stays off for over that and the ''checkengine light'' comes on. I had Onstar do a dianostic test on it and the said it was my water cooling sensor. My question, since I haven't been able to purchase a repair manual YET, is where is the cooling sensor located? 2006 HHR - 2.4 engine

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  • staunchee Jan 03, 2009

    coolant temp would go blank & the gauge quit. When the coolant temp would quit so would the a/c.

  • abe13 Apr 20, 2009

    i have the same problem. i aready changed the coolant sensor

  • Anonymous Mar 31, 2014

    If I am sitting idle the temperature gage goes up.

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It should be by your MAF-- Mass Air Flow---be careful, when you remove it, coolant will come out, so relieve the pressure, as for your check engine light, reset the computer by disconnectin the negative battery terminal for five minute, this will reset it

Posted on Dec 06, 2008

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