DTC P0091-11: Fuel Pressure Regulator 1 Control Circuit Low - Circuit short to ground: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnosis of this DTC may require using the Jaguar Land Rover approved diagnostic equipment to check datalogger signals:
- 0x03C3 Fuel Pressure Relief Control Valve Duty Cycle - %
- Refer to the appropriate system wiring diagram and check the fuel pressure control valve circuit for short circuit to ground
- Check and install a new fuel pressure control valve as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest