Volvo Engine D13F Fault Code: PID 97 FMI 4 Water In Fuel Indicator

Volvo Engine D13F Fault Code: PID 97 FMI 4 Water In Fuel Indicator

CONTROL UNIT:
Engine ECU

DETECTION CONDITIONS:
The engine control unit (E-ECU) registers that the voltage is below 1.2 V (0.05 x Ubat).

SYMPTOM:
Water in fuel indication.

POSSIBLE CAUSES:
1. Signal line contains a short circuit to a lower voltage.
2. Defective sensor.