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