Question about 1992 Pontiac Grand Prix
Unhook the overdive (torgue converter). If you don't have the problem anymore, then change transmission fluid and hook overdrive back up and it will run fine. I had same problem.
Posted on Apr 19, 2009
I used to have the same problem.... Wanted to blow the whole car up....
But anyways: I had the thermostat replaced as well as replaced the throttle sensor. I'm positive the thermostat was the majority of the problem... don't even know if the throttle had anything to do with it but just said screw it.....
Try to replace the thermostat first. It should work!!!
Posted on Jan 01, 2009
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