2004 Buick Rendezvous Ever Since Our Temperatures Outside Dropped Down Below

2004 BUICK RENDEZVOUS
110,000 MILES
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Ever since our temperatures outside dropped down to below zero my temp guage is not working properly. The heater works..the car does not seem to be overheating..would this be a sensor..the check engine light does not come on..could this be the thermostat?
Feb 5, 2013 at 10:26 PM
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ASEMASTER6371
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yes, it could be a thermostat. i would start there.

Roy
Feb 6, 2013 at 12:20 AM
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