Group 28 Engine Control Module (ECM) Diagnostic Trouble Codes (DTCs) ECM SPN 97, Water in Fuel Indicator – MID 128 PID 97 15 FMI 7 • Mechanical system not responding properly • Drop in fuel pressure • Engine derate • Clogged fuel filter • Faulty fuel pressure sensor • Leaking fuel line or fitting • Poor fuel pump response FMI 13 • Out of Calibration • Sensor indicates a invalid value • N/A • Wiring harness • Faulty fuel pressure sensor • Clogged fuel filter FMI 15 • Data valid but above normal operating range - Least severe level • Sensor indicates a invalid value • N/A • Wiring harness • Faulty fuel pressure sensor FMI 17 • Data valid but below normal operating range - Least severe level • Sensor indicates a invalid value • N/A • Wiring harness • Faulty fuel pressure sensor • Clogged fuel filter FMI 18 • Data valid but below normal operating range - Moderately severe level • Drop in fuel pressure • Engine derate • Clogged fuel filter • Faulty fuel pressure sensor • Leaking fuel line or fitting • Poor fuel pump response Type of fault:
FMI Description: Fault Condition: Possible Symptoms: Possible Cause: FMI 0 • Data valid but above normal operational range - Most severe level • Water in fuel is indicated • Uneven running • Engine stalling • Water in fuel FMI 3 • Voltage above normal, or shorted to high source • N/A • Undetected water in fuel supply • Uneven running • Engine stalling • Open circuit FMI 4 • Voltage below normal, or shorted to low source • N/A • Undetected water in fuel supply • Uneven running • Short to ground • Open circuit • Faulty sensor