DTC P2097-02: Post Catalyst Fuel Trim System Too Rich Bank 1 - General signal failure: Action
NOTE:
Vehicle conditions to enable DTC logging strategy. Drive vehicle under steady state condition for up to 20 minutes
- Check the exhaust system for leaks. Repair as necessary
- Check pre and post catalyst oxygen sensors for damaged and correct installation
- Refer to the electrical circuit diagrams and check Heated Oxygen Sensor (HO2S) heater control circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress and pins for damage and/or corrosion
- Refer to Electronic Engine Controls V8 S/C 5.0L - Petrol - Heated Oxygen Sensors (HO2S), Diagnosis and Testing - pinpoint test A