Volvo Engine D12D AE E3 (Tier 3) Fault Code: PID94 FMI 1 Fuel Feed Pressure

DETECTION CONDITIONS:
1. Fuel feed pressure below static min value.
2. The engine control unit (E-ECU) registers that the voltage is below the warning limit.

SYMPTOM:
1. Low power.
2. The engine is difficult to start.
3. Misfiring.
4. Abnormal smoke.

POSSIBLE CAUSES:
1. Clogged fuel filter.
2. Air or leakage in fuel system.
3. Pressure too low on overflow valve.
4. Defective fuel pump.
5. Defective sensor.