DTC P0088-22: Fuel Rail/System Pressure - Too High Bank 1 - Signal amplitude > maximum: Action
WARNING: This page is about a different variant/trim than selected.
- 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