Why does temperature gause go down while driving? It goes back up and check engine light comes on.

Asked by Jun 17, 2013 at 04:00 PM about the 2002 Jeep Grand Cherokee Laredo 4WD

Question type: Maintenance & Repair

1 Answer

100

make sure your electric fan is working. when you turn on your ac it should come on. as you move the air cools the engine.

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