Pontiac Grand Prix GTP: 2004 pontiac temperature gauge just
2004 pontiac temperature gauge just stopped working. Drove car this morning it was working. Shut off the car, went it store, started the car and noticed no temp gauge and the cooling fans were blowing. I do have a lower intake manifold leak....not too severe, that I'm in the process of fixing. What would cause gauge to stop working, causing the cooling fans to kick on? Country: United States Make: Pontiac Model: Grand Prix GTP Year: 2004 Engine: 3.8 supercharged Already Tried: Currently using 180 degree T-stat. That was installed 3 months ago. Checked HVAC fuse, that is ok. Submitted: 2 days and 16 hours ago. Category: Pontiac Value: $18 Status: CLOSED Expert: George H replied2 days and 16 hours ago. Hello I will help you with your question, Is your coolant full? If the coolant drops below the tip of the coolant sensor then it will read cold and the engine computer which "knows" it should read normal will flag this as a problem, turn on the fans a...