obd2 · obd2/P0121
P0121
Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem
The throttle position sensor (TPS) signal does not correlate with other engine load indicators, often due to a worn or misadjusted sensor.
The throttle position sensor (TPS) signal does not correlate with other engine load indicators, often due to a worn or misadjusted sensor.