DTC P0088-22: Fuel Rail/System Pressure - Too High Bank 1 - Signal amplitude > maximum: 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.
- Vehicle Conditions to enable DTC Logging strategy
- Engine speed above 175 RPM
- Prioritised Checks to Perform
- Check powertrain control module for fuel pressure related DTCs and refer to relevant DTC index
- Check fuel lines for restrictions and repair as required
- Check fuel lines for leakage and repair as required
- Check fuel injector for stuck open/leaking and repair as required
- If a new fuel injector is installed. Using the Jaguar Land Rover approved diagnostic equipment, reprogram the injector codes
- Diagnosis of this DTC may require using the Jaguar Land Rover approved diagnostic equipment to check datalogger signals:
- 0x0324 Fuel Rail Pressure Sensor
- Refer to the appropriate system wiring diagram and check the fuel rail pressure sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Refer to the appropriate system wiring diagram and check the fuel volume control valve circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Refer to the appropriate system wiring diagram and check the fuel rail 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 rail pressure sensor as required
- Check and install a new fuel volume control valve as required
- Check and install a new fuel pressure control valve as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest