found this on 6speed:
P2096
Signal Delay Time for Oxygen Sensor Ageing 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
Looks like he ended up having a failed catalytic converter and dealer replaced it under warranty.
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