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Detroit DD15 EPA07 (2007-09) Fault Code: SPN 3480 FMI 3 (MCM) Fuel Compensation Pressure Sensor Circuit Failed High

DESCRIPTION:
Fuel compensation pressure (FCP) sensor circuit failed high.

MONITORED PARAMETER:
Fuel compensation pressure sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. If 100-3, 4077-3, 3480-3 are also present, repair the wiring between pin 82 of the ECM connection and the engine oil pressure, fuel line, and fuel compensation pressure sensors.
2. If 4407-3 or 3480-3 are present, repair the wiring between pin 104 of the ECM connection and the fuel line and fuel compensation pressure sensor.
3. Fuel Compensation Pressure sensor.
4. Fuel compensation pressure harness/connector.

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