DTC P2099-02: Post Catalyst Fuel Trim System Too Rich Bank 2 - 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.
- Vehicle Conditions to enable DTC Logging strategy
- Drive vehicle under steady state conditions for up to 20 minutes
- Prioritized Checks to Perform
- 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 post catalyst oxygen sensor circuits for open circuit short circuit to power, short circuit to ground, high resistance
- Refer to the appropriate system wiring diagram and check pre catalyst oxygen sensor circuits for open circuit short circuit to power, short circuit to ground, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new pre catalyst oxygen sensor as required
- Check and install a new post catalyst oxygen sensor as required