Causes and Fixes P0121 Code: Throttle/Pedal Position Sensor “A” Circuit Range/Performance Problem
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Causes and Fixes P0121 Code: Throttle/Pedal Position Sensor “A” Circuit Range/Performance Problem
How to fix P0121 engine Code: Throttle/Pedal Position Sensor “A” Circuit Range/Performance Problem. A P0121 is a generic OBDII code for an issue with the Throttle/Pedal Position Sensor, but the definition may be different depending on the manufacturer. Example: Throttle Position Sensor Voltage Does Not Agree with Manifold Air Pressure The ...
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