What causes low fuel rail pressure in a Cummins?
What causes low fuel rail pressure in a Cummins? Low Fuel Rail Pressure detected. High Fuel Rail Pressure detected. A surging or loping idle. A faulty 6.7L Cummins fuel pressure regulator causes these symptoms. Replacing your 6.7L Cummins regulator can resolve your problem and get you back on the road. What kind of engine does a Dodge Ram 5500 have? 2007.5 to 2012 Dodge Ram 4500 trucks with the 6.7L Cummins engine. 2007.5 to 2012 Dodge Ram 5500 trucks with the 6.7L Cummins engine. What does this Cummins 5297640 Fuel Rail Pressure Sensor Do? This Cummins, 5297640 fuel rail pressure...