P2097

P2097

Signal Delay Time for Oxygen Sensor Ageing - Below 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