Ford P0303 OBD-II Trouble Code Definition: P0303 Number 3 Cylinder Misfire Detected P0303 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0303 Cylinder 3 Misfire Detected What does the code mean? OBD-ii Code P0303 definition: A P0303 code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. In […]