DTC P0255-1F: Injection Pump Fuel Metering Control "A" Intermittent (Cam/Rotor/Injector) - Circuit intermittent: Action

WARNING: This page is about a different car, the 2018 Jaguar XE and 2017 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.

Check the fuel metering valve connector for water ingress. Rectify as necessary
Refer to the appropriate System Wiring Diagram(s) and check the fuel metering valve circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary