Question about 2000 Pontiac Grand Am GT
Well ive taken it to the shot for this problem several times. one time they replaced the catalytic converter, the next the ignition control module, then the coil packs. they said they had replaced every part that could make this happen, however it is still doing it. i really need some help here, i dont want to keep pouring money into it if they cant figure out what it is.
Try replacing ur sparkplugs and wires.one single bad wire can cause a car to misfire,try testin the wires, to make sure u get a good spark
Posted on May 25, 2009
On two cylinder misfires and they changed catalytic converter in first place..firsable stop going that shop...
okey basically you need air-fuel and spark to get fire in engine..and when is misfires it should missing one of them..i saw they replaced only ignition side of the misfire and you still have a misfire..this mean you may have a bad mass air flow sensor it is sending wrong info the control module so it doesnt send enough fuel to get fire or something wrong in fuel system( fuel pump-pressure regulator-(fuel injectors are most posible) )
Posted on Sep 12, 2009
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