My 1998 Pontiac Grand Prix is overheating, please help

Asked by Sep 17, 2016 at 05:12 PM about the 1998 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

Question type: Maintenance & Repair

My 1998 Pontiac Grand Prix V6 with a
supercharged engine over heats when I'm idle or in
stop and go traffic. It is fine if I am driving fast on
the freeway.

3 Answers

4,115

Check to make sure the cooling fans work, there's a cooling temp sensor and a relay that turns them on

9,550

You just described the symptoms of a early head gasket failure. Some on here will or like to say no do not tell him that it is probably this or that but this is in fact the exact symptoms I had for months before it finally started to blow white smoke/steam out of the tail pipe and started t miss a little then ran hot more often and later got harder to crank.

For your fan isn't running it is #getting hotwhen it stopped because no air is passing over the motor it is not overheating on the highway because you were going 60 miles an hour and air is flowing over the motor check to see if your fan is kicking on

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