Questions & Answers for: multiple misfires

...shifting problems, Truck shifts rough, engine will not tach over 2700 rpm's, only trouble code is a multiple misfire, this is our family car we really need it to run, please help? change spark ...

...multiple misfires, worse at times, and then sometimes it fine, could this be the coolant temp.sensor DIRTY FUEL INJECTORS -BAD COIL-PLUG WIRES AND PLUGS.MOST OF THE TIME CAUSE MULTIPLE MISFIRE..A BAD ...

...swapped with other 3, and now it just tells us multiple misfires. it seems that just changing the fuel injectors is not going to solve the problem. change the plugs and wires.. in need of a tune

...multiple misfires then usually it has something to due with the plugs going bad. It also depends on how many miles you have on the plugs and the wires. The other problem could be with the ignition ...

...multiple misfires i replaced plugs but no good car had amiss in it but still had power. my wife took it to a shop and they replaced mass air flow sensor and various others and sent her home. it runs ...

multiple misfire 2006 pontiac g6 multiple misfire code po0420 P0420 is a catalytic converter efficiency below threshold DTC. Are there any other DTCs pointing specific cylinder misfires?

multiple misfires. That being said, lets me say this as well, take it to a shop and have them look. So many other things can cause this problem from vacuum leaks to looking at it cross eyed. Hope this

I have Codes po300,po303,po303pd toyota 4 runner 1997 P0300 - Random/Multiple Cylinder Misfire Detected or Misfiring Of Multiple Cylinders P0303 Cylinder 3 Misfire Detected

I have a 99 Chevy Suburban 1500 I have a misfire random multiple misfire code I've replaced plugs wires cap rotor button and still the light comes back on saying it is a random multiple misfire it ...

...multiple misfires and you suspect the timing chain? Or PCM? You must have already done some other things to believe this, since either the cam or crank sensor malfunctioning can cause multiple ...