Possible Causes
- Electrical cause
- Mechanical cause
- Control Module Cavity
- Circuit reference O_T_PCV. Fuel pressure control valve
- The powertrain control module measured a signal voltage above a specified range but not necessarily a short circuit to power, gain too high
- Prioritised List of Possible Causes
- Blocked fuel filter
- Fuel gauge sender unit operation
- Low pressure fuel system leaks or blockage
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- 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
- Fuel volume control valve circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Fuel rail pressure sensor failure
- Fuel pressure control valve failure
- Fuel volume control valve failure