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Asked by Dana Sep 02, 2019 at 03:53 AM about the 2004 Pontiac Grand Prix GTP

Question type: Maintenance & Repair

2004; Pontiac Grand Prix. Supercharger. Just replaced
battery and me connectors. New waterpump and
thermostat heating connecter elbow pipe. Then a new
serpentine belt. I the mess of all this.. I've taken apart the
whole area from the alternator and everything around and
underneath 5 separate times. 4 times were I'm a 5 day
period. Car has been driving great for about 8 days. Now
out of nowhere. I was driving.. a long distance about 100
miles. And noticed the rpms..kind of jumping then.. car
kinda started getting a little warmer then usual.. keeping
eye on coolant and everything since 5 days being
stranded... Car shut off while driving. Lost power steering.
Stopped, restarted.. drove a couple more blocks and lost
power a couple more times from gas station, around the
way to my friends.. I let the car sit for about hour and half.
Added quart of oil. Half gallon of water,  half tank of gas..
lol..  please car is sitting on highway.

1 Answer
40,230

TDolby answered 4 years ago

Hard to say without hook the car up to some diagnostic equipment. The RPMS jumping might indicate a transmission issue. It's hard to say, have it towed to a garage for inspection.

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