Ford P0328 OBD-II Trouble Code Definition: P0328 Knock Sensor 1 Circuit High P0328 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0328 Knock Sensor 1 Circuit High What does the code mean? OBD-ii Code P0328 definition: The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from […]