DTC P0089-4B: Fuel Pressure Regulator 1 Performance - Over temperature: Action
WARNING: This page is about a different variant/trim than selected.
- 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, 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