I have a 1996 Pontiac sunfire and it has no heat we let it warm up it's fine as soon as we drive and the car gets over 2000 rpms the temp guage goes down to cold what could cause this thermostat or

Asked by Jan 10, 2015 at 11:25 AM about the 1996 Pontiac Sunfire

Question type: Maintenance & Repair

Could it be a blockage somewhere
I'm just not sure

2 Answers

118,805

Stuck open thermostat can cause this sort of issue.

Have the same problem

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