2007 Chevrolet HHR Q&A

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

does this need cleaned? The a/c does not work if the coolant temp gauge is not working. -
Answer 1
sounds like a bad sensor to me ,have it scan tested to get the right temp reading -
Comment 1
Thx Goodguy, Where is the sensor located? -
Answer 2
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. -