Hot coolant

10

Asked by Jan 30, 2016 at 07:12 PM about the 2005 Pontiac Grand Prix GT

Question type: Maintenance & Repair

Here's the problem.
-hot coolant light on
-after I stop the car at a stop light had issue to
accelerate forward.


What do I need to do guys?

4 Answers

76,935

Maybe your radiator fans are not coming on. When you stop you lose all the air flow through the radiator and the car over heats.

1 of 1 people found this helpful.
10

Thanks for the answer. Had a feeling it's deals with air flow. Because while I was driving the temperature gauge dropped when I was going about 40. And went up when I stopped.

1 of 1 people found this helpful.
76,935

Check the fuse first and if that is good it might be the temperature sender or the relay.

1 of 1 people found this helpful.
70,365

For testing purposes unplug the coolant temperature sensor and start the engine. The check engine light will come on because the sensor is unplugged. Ignore it. The radiator cooling fans should come on immediately at high speed. HTH. -Jim

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