What could be wrong if my car backfires and hesitates when I accelerate? c

Answer by  stANLEY83 (64)

Before you continue to search for the problem you must take out the spark plugs out and see the what is the distance between the two electrodes,if on all of them is the same then you need to change the leeds and the distributor cap

Answer by  Angel1988 (81)

Either one of the new spark plugs was bad, one isn't gapped right, the piston could be bad, or something in the electrical could have a short. Try the spark plugs again first, the rest is a lot of work to do again. If not that try the piston, electricl is very tricky.

Answer by  Amber40 (24961)

Well assuming that the plugs are gapped correctly then the next thing I would check is the timing. Make sure that it is correctly set and that it is firing on all cylinders.

Answer by  Vicky9180 (5)

A. The Air filter of the car could be blocked, Abstracting clean air to the engine, resulting Lack of Oxygen for burning the fuel,

Answer by  zoey7014 (0)

Air filter, gas filter, plug wires, bad fuel. Read out the OBD2 errors, it can at least tell you if it is random multiple misfires or just one or two cylanders. Good luck, tough one when you get past the obvious