Possible Causes
- Electrical cause
- Mechanical cause
- Control Module Cavity
- Circuit reference O T MEU. Fuel volume control valve
- Circuit reference O_T_PCV. Fuel pressure control valve
- Monitor Description
- Positive rail pressure governor deviation is above a threshold and desired fuel feed volume above a threshold
- The powertrain control module measured a signal voltage below a specified range but not necessarily a short circuit to ground, gain low
- Other fuel pressure, fuel pump related DTCs
- Blocked fuel filter
- Low pressure fuel system leaks or blockage
- Fuel injector's for stuck open, leakage
- 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