Slow acceleration on my 2007 grand prix I have changed foot pedal, throtter body and mas sensor nothing has worked still cutting off and can't go over 50 mph until I restart car help me please

Slow acceleration on my 2007 grand prix I have changed foot pedal, throtter body and mas sensor nothing has worked still cutting off and can't go over 50 mph until I restart car help me please 1 Answer

my pontiac grand prix 2001 check engine light came on. i checked the codes and the coils came up. i tried testing the coils myself with a small vacuum hose a a light tester to see if i was getting the right amount of spark and all of a sudden my car turns on but shuts off immediately after its been turned over. what could be my problem? please help 1 Answer

my pontiac grand prix 2001 check engine light came on. i checked the codes and the coils came up. i tried testing the coils myself with a small vacuum hose and a light tester to see if i was getting...

My 1999 grand prix gtp hesitates on acceleration when boost guage kicks in i replaced plugs and plug wires and the mass air flow sensor also cleaned the throttle body out its throwing multiple misfire 5 Answers

my 1999 Pontiac grand prix gtp is running poorly when boost kicks in...it throws multiple misfire codes and nothing else..i replaced the plugs and wires with iridium plugs and mid grade wires also rep...

my ac compressor on my 2007 grand prix kick off and on while I am driving than it wont cut back on 2 Answers

my 2007 Pontiac grand prix ac compressor kicks off an on when I am driving and in park I change out the relay and its still doing the same thing what is the problem?

My 2004 Pontiac Grand Prix shakes when i hit my brakes could you please help me 3 Answers

My car shakes when i hit my brakes could you please help me