Pontiac Grand Prix Questions

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Losing fluid. Would Stop Leaks help for a while? Mechanic quoted over $500 including hoses.
Mechanic says we need dealer sensor. Code is p0153.
I replaced the computer (used the same prom), Replaced IAC, Crank position sensor, replace three bad injectors, spark plugs fuel pump, fuel filter, battery , alternator, tried doing Idler relearn but it start idling e...
It just revs. I topped up the tranny fluid. Seemed to help a bit but not totally. Nothing seems to be leaking.
Car is shut off, doors are closed, lights are off, key out of ignition, turn signals are off and no reason for the chimes to still be sounding. How do I get them to turn off?
My 2000 Pontiac Grand Prix GT (3.8)cranks but will not run. I believe it is not getting fuel. I checked all the fuses but I did not check the fuel pump relay. How can I check to see if the relay has failed or if the ...
Lady I just bought this from said fuel pump was bad and wouldn't run but after paying her for it I hooked cables to it and it started rite Up she told me before that the car left her stranded a few times like wasn't g...
Hey eveyone I was on the freeway going 70 and out the blue my mph started to decrease but shortly after it goes back up then about 20 seconds later I hear a noise then white smoke started to come from under the hood. ...
It will start right up sometimes and drive for another 5-10 miles or it wont start for atleast 20 min or so.Sometimes it wont start for an hour or so.I checked the fuel the pressure on the fuel rail and im getting a s...
heater only works on high and daytime running lights go out on 1 thru 4. i have changed the resistor.
This problem occurs mostly when it's colder out and more from the right turn signal than the left. I can make them return to low beam by pulling back on the signal light switch.
Battery is charged but it just clicks if u boost rolls over real slow
I cleaned the throttle body, IAC, EGR, and still have idle and stalling while still.
I have replaced a bad hub bearing and cleared the codes that indicated it was bad. The ABS still engages while driving and when I brake in non hazardous conditions. Tried hooking it up to a scanner but the car shuts t...
Change Oil Soon light never goes off.