P0303 engine code

p0303 A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly In this case it's cylinder #3

It's a generic code that indicates that your car's third cylinder is misfiring P0303 is a real drivability concern and should p0303 The P0303 diagnostic trouble code indicates that the powertrain control module has detected a misfire in cylinder 3 of the engine