Ford P0120 OBD-II Trouble Code Definition: P0120 Throttle Pedal Position Sensor/Switch A Circuit Malfunction P0120 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0120 Throttle/Pedal Position Sensor/Switch “A” Circuit What does the code mean? OBD-ii Code P0120 definition: The TPS (Throttle Position Sensor) is a potentiometer that is mounted to the throttle body. It detects the throttle […]