DTC P228F-22: Fuel Pressure Regulator 1 Exceeded Learning Limits - Too High - Signal amplitude > maximum: Action
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the appropriate system wiring diagrams and check the fuel pressure control valve 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
- Check and install a new fuel pressure control valve as required
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest