P0153
P0153Oxygen Sensor Ahead of TWC, Bank 2 - Below Limit
Diagnosis conditions
- Vehicle at operating temperature, after this 3 minutes idle speed, then approx. 30 seconds increased idle speed.
Possible fault cause
- Oxygen sensor is dynamically inert
Affected terminals
-
Diagnosis/troubleshooting
NOTE: Do not use contact spray on the connectors to oxygen sensors.
NOTE: Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.
Oxygen sensors ahead of and after catalytic converter
