Having problems with your 2004 Pontiac Grand Prix ?

I noticed yesterday that when I turned my car off the fan under the hood kepts going for about 2 minutes and then turned off. On the way home yesterday my sensor went off saying "turn AC off to protect the engine". I didn't have the AC on but my temp was rapidly going up. What can I do? I can't drive the car more than 3 miles with out my temperature gage going all the way up.

Posted / edited by AnonymousUser on : 19-02-2018

Answers :

The fan staying on for a few minutes wass just the fan and sensor trying to bring the temp down at the radiator.

As for the AC shutoff warning, you may not have enough coolant to keep the engine cool. With the engine off and cold, check the radiator and the overflow jug, ensuring they both have the proper amount of coolant. If either is low, fill to specs and drive the vehicle to see if it stays cool. If filling them doesn't fix the problem, you may have a stuck thermostat.

When the engine was running hot, did you notice if the fan was running or not? If it was not, then you may have a fan sensor going out. If it was, you may have a low coolant or thermostat problem
Repair Help & Product Troubleshooting for 2004 Pontiac Grand Prix

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