Possible Causes
- Other fuel pressure related DTCs
- Fuel lines restricted
- Fuel lines leakage
- Fuel rail pressure sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Fuel pressure control valve circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Fuel rail pressure sensor failure
- Wiring
- Mechanical integrity
- Installation
- Fuel pressure control valve failure
- Wiring
- Mechanical integrity
- Installation
- Stuck fuel pump - high pressure
- Fuel volume control valve