Having problems with your Pontiac Grand Prix ?
Takes avery long time to put out heat temp never goes past i20 on the gauge winter or summer
Change the thermostat. it sounds like it is stuck open. they cost around 10 dollars and easy to change. buy a gasket for i to. (around 1 dollar) hope this helps. please rate.
Repair Help & Product Troubleshooting for Pontiac Grand Prix
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