Fuel System Pressure - Diesel
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
The correct fuel pressure from the in-tank electric fuel pump to the high pressure injection pump for this vehicle is 4.5 bar (65.2 psi) and 7.0 bar (102 psi). The correct flow rate for the in-tank electric fuel pump is approximately 53 gph (201 lph) at an ambient temperature of 73° F (23° C) and a constant battery voltage of 13 volts DC.