Detroit DD15 EPA07 (2007-09) Fault Code: SPN 94 FMI 4 (MCM) Low Side Fuel Pressure Sensor Circuit Failed Low

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. Low pressure pump outlet (LPPO) fuel pressur sensor.
2. LPPO fuel pressure sensor wiring/connector.