Tag: P0121 Ford

Ford P0121 OBD-II Trouble Code Definition: P0121 Throttle Position Sensor 1 Performance P0121 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0121 Throttle/Pedal Position Sensor/Switch “A” Circuit Range/Performance What does the code mean? OBD-ii Code P0121 definition: The Throttle position sensor is a potentiometer that measures the amount of throttle opening. As the throttle is opened, the […]

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