Volvo Engine D11L (Tier 4) Fault Code: PID 94 FMI 1 Fuel Feed Pressure

Volvo Engine D11L (Tier 4) Fault Code: PID 94 FMI 1 Fuel Feed Pressure

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers fuel feed pressure critically low. Below 100 kPa (14.5 psi).

SYMPTOM:
Engine has low power.

POSSIBLE CAUSES:
1. Clogged fuel filter.
2. Defective fuel pump.
3. Defective overflow valve.
4. Air or leakage in fuel system.
5. Defective fuel feed pressure sensor.