P0170-64 - Fuel Trim Bank 1 - Signal plausibility failure: Action
WARNING: This page is about a different car, the 2017 Jaguar XJ, 2016 Jaguar XJ, 2015 Jaguar XJ, 2014 Jaguar XJ, and 2013 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Operational requirements needed to allow the monitor to be fully tested. Drive vehicle under steady state conditions for up to 20 minutes
- Check exhaust system for leakage. Rectify as required
- Check mid catalyst heated oxygen sensor is correctly installed
- Check post catalyst heated oxygen sensor is correctly installed
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check pre catalyst heated oxygen sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check post catalyst heated oxygen sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new pre catalyst heated oxygen sensor as required
- Check and install a new post catalyst heated oxygen sensor as required