Cummins ISB CM850 (2003-06) Fault Code: 418 (Auto) PID: 97 SPN: 97 FMI: 15 Water-In-Fuel Indicator – Data Valid but Above Normal Operational Range – Least Severe Level. Water has been detected in the fuel filter.

Cummins ISB CM850 (2003-06) Fault Code: 418 (Auto) PID: 97 SPN: 97 FMI: 15 Water-In-Fuel Indicator – Data Valid but Above Normal Operational Range – Least Severe Level. Water has been detected in the fuel filter.

The water-in-fuel is integrated into the fuel filter. It is automatically replaced whenever the fuel filter is replaced. For marine applications the sensor is not integrated into the fuel filter and is a serviceable item.

Possible repairs:

1)Drain the water from the fuel filter.