No Rail Fuel Pressure (Low Fuel Pressure) – Event Code SPN 94 – FMI 17
SPN94 FMI17 (C7 Engine) E198(1) Low Fuel Pressure – The fuel pressure drops below 175 kPa (25 psi) for 10 seconds. E198(2) Low Fuel Pressure – The fuel pressure drops below 150 kPa (22 psi) for 15 seconds. #Probable Causes: Fuel Supply Diagnostic Codes and Event Codes Fuel Pressure Sensors Fuel Pressure Regulating Valve Fuel Priming Pump (if... Read more »