Oxygen sensors ahead of and after catalytic converter
P2098
P2098
Signal Delay Time for Oxygen Sensor Ageing, Bank 2 - Above Limit
Diagnosis conditions
- Oxygen sensing after TWC is active
- No secondary air
- No diagnosis of secondary air system
- EVAP canister not highly loaded
- No faults in memory
Possible fault cause
- Oxygen sensor
Diagnosis/Troubleshooting
NOTE: Do not use contact spray on the connectors to oxygen sensor.
NOTE: Do not confuse oxygen sensor ahead of catalytic converter and oxygen sensor after catalytic converter.
Oxygen sensors ahead of and after catalytic converter
P2099
P2099
Signal Delay Time for Oxygen Sensor Ageing, Bank 2 Below Limit
Diagnosis conditions
- Oxygen sensing after TWC is active