Questions & Answers for: Pontiac backfires

On a 91 Grand Am 2.3, it backfires, and #2 spark plug is stuck. I tuned it about 2.5 years ago. I installed a K&N air filter and Rapid Fire plugs, I applied anti-seize to the plug threads. Any ideas? ...

1991 grand am 2.5 backfires wont start. backfires up the throtle body.Is the throtle need air and fuel ajusted or is it the timeing jump out MAP sensor is probably bad ,located on the air filter cover

95 GRAND AM RUNNING BAD MY 95 IS HARD TO START COLD THEN WHEN IT DOES START IT SHAKES BAD AND BACKFIRES THEN ONCE IT DOES WARM UP IT LEVELS OUT BUT ONCE YOU PUT IT IN DRIVE IN STARTS TO BACKFIRE AND ...

1992 pontiac starts, quietly dies and backfires loudly on restart My 92 pontiac grand am SE 5 speed has been acting up lately. It will start...then quietly die. When i go to restart....it backfires ...

after my car runs for awhile and i try to start it back it backfires i put a fuel pump on it and the filters Backfire is a result of too much air,not enough gas.You need to look at the air ...

i have a 88 fiero 2.5L it idles beautifully but i put in in drive and it backfires then shuts off i have new coil packs, spark plugs,wires,fuel injector and i have cleaned the gas take new sock new ...

backfired then quit car backfired then quit sounds like your exhaust valves aren't opening up which means either your cam is out of round, push rods are bent/flatten rocker arms broken, broken valve ...

engine stop,gotfuel,engine not on,backfires wen tryin to start Might have jumped timing If you run out of gas you pick up all the sediments in the tank this can cause backfiring. I suggest trying a ...

2003 pontiac grand prix backfires when you start it up First thing in the morning the car backfires when trying to start it. It also won't start after driving a while until it cools down. It maybe a ...

backfires starting heads were done now it will not start and backfires Sounds like the timing system is out of time! Backfire is usually caused by a timing problem or maybe a fuel problem. Hope this ...