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