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Troubleshooting

DTC P0133 Heated Oxygen Sensor Circuit Slow Response
(Bank 1 Sensor1)


DTC P0153 Heated Oxygen Sensor Circuit Slow Response
(Bank 2 Sensor1)


CIRCUIT DESCRIPTION
Refer to Insufficient Coolant Temp. for Closed Loop Fuel Control.





DETECTING CONDITION

HINT:
- Bank 1 refers to the bank that includes cylinder No.1.
- Bank 2 refers to the bank that does not include cylinder No.1.
- Sensor 1 refers to the sensor closer to the engine body.


INSPECTION PROCEDURE