Toyota Yaris P0137

DTC

P0136

Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)

DTC

P0137

Heated Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2)

DTC

P0138

Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)

HINT:

Sensor 2 refers to the sensor mounted behind the Three-Way Catalytic Converter (TWC) and located far from the engine assembly.

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