there are few things that can cause what you are saying, check for a bad throttle position sensor easy part to change. I would also read the fuel pressure after you shut the car off on restart and see what the pressure is, you could have a leaking injector as well. While you are there check the MAF sensor.
2002 Pontiac Grand Prix SE
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General
Sometimes when I go to start my car it won't start the idle just drops in this case either hold on the gas and keep the RPM's High and hold for a minute or so let off. Or put my rmps high and put ...
2001 Pontiac Grand Prix GT Coupe
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General
My car is starting to get a good amount of miles and the body is really good still. I wanna keep the car but i was wanting to put a new engine in it so i can keep it for longer but i was hoping to u...
2004 Pontiac Grand Prix GT1
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General
Just curious if anyone would know why my 2000 Pontiac Grand Prix GTP 190K miles on it, would be running fine and sometimes out on the highway at full operating temperature will just quit running, lite...
2000 Pontiac Grand Prix GTP
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General
What year Pontiac Grand Prix GTP transmissions are compatable with my 02 Pontiac grand Prix GTP
2002 Pontiac Grand Prix GTP
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General
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