Ford P0327 OBD-II Trouble Code Definition: P0327 Knock Sensor Circuit Low Input Bank 1 P0327 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0327 Knock Sensor 1 Circuit Low What does the code mean? OBD-ii Code P0327 definition: A knock sensor tells the engine computer when one or more of your engine’s cylinders are “knocking”, that is, […]