DTC P2097-02: O2 Sensor Signal Biassed/Stuck Rich - Bank 1, Sensor 1 - General signal failure: Action

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Vehicle conditions to enable DTC logging stratagy. 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 appropriate system wiring diagram 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 DIAGNOSIS AND TESTING