Coolant temp gauge only comes on now and then. Is this a bad sensor? on 2007 Chevrolet HHR

does this need cleaned? The a/c does not work if the coolant temp gauge is not working.

by in Alamogordo, NM on April 07, 2013
2 answers 1 comment
ANSWER by on April 07, 2013
sounds like a bad sensor to me ,have it scan tested to get the right temp reading
COMMENT by on April 07, 2013
Thx Goodguy, Where is the sensor located?
ANSWER by on October 11, 2014
I had the same problem. I replaced the thermostat and that fixed the problem. The new thermostat will remain open when they mess up. Mine also said coolant temp low. Hope this helps.

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