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P0120

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P0120 OBD-II Trouble Code: TPS "A" Circuit Malfunction
P0120 code definition Throttle Pedal Position Sensor/Switch (TPS) "A" Circuit Malfunction What the P0120 code means P0120 is the generic OBD-II code which indicates that the Engine Control Module (ECM)...

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Question
What are these codes that appeared on my car?
These codes are related to the engine sensors for mass air flow, idle air control, and the throttle position sensor. It is quite likely, given your mileage, that their sensors have become dirty/clogged, or the sensors have failed. You don't...

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