Cummins bad fuel rail pressure sensor 5.9 Cummins Fuel Rail Pressure At Idle
My dodges rail pressure setting at a steady 740RPM idle. What would cause this fluctuation? 2003 cummins Bad CP3 Injection pump Cummins CP3 FCA Cummins bad fuel rail pressure sensor U have an open in the fca circuit or the ecm is faulty. Fca is NO so unplugged will let it go to max rail pressure. 2006 5.9 Cummins idle vibration issue. ...