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Fuel Pressure Specification For Bosch VP44 Injection Pumps Here is a copy of the fuel system specifications from the Dodge Factory Service Manual. This is for your Dodge Cummins Turbo diesel truck with a Bosch VP44 injection pump. Fuel pressure Normal fuel pressure should float about 14-15 PSI running down the pavement. It should never fall below 10 PSI at all. Here is a colorize fuel pressure gauge to give you a clue of the fuel pressure span you want. You want the needle to stay in the green at all times. Yellow zone is a warning that you should check the fuel filter, lif
Bosch VP44 Injection Pump Overflow Valve Overflow Valve Description The overflow valve is located on the side of the Bosch VP44 injection pump. It is also used to connect the fuel return line (banjo fitting) to the Bosch VP44 injection pump for your Cummins powered Dodge truck. Overflow Valve Operation Fuel volume from the fuel transfer (lift) pump will always provide more fuel than the fuel injection pump requires. The overflow valve (a check valve) is used to route excess fuel through the fuel return line and back to the fuel tank. Approximately 70% o
Bosch VP44 injection pumps key part numbers key# Cummins# 026 - 3944021 027 - 3944022 028 - 3944023 029 - 3944024 030 - 3944025 031 - 3944026 032 - 3944027 033 - 3944028 034 - 3944029 035 - 3944030 036 - 3944031 037 - 3944032 038 - 3944033 039 - 3944034 040 - 3944035 041 - 3944036 042 - 3944037 043 - 3944038 044 - 3944039 045 - 3944040 046 - 3944041
I have a 2001 Dodge 2500 5.9l that is stock other than a Predator mechanical fuel pump that I have recently put on. I have had the issue even before I've done any work to the truck of there being brief second of no power and then returning like nothing happened. I will be driving normal (Smooth accelerations) and every once in a while the truck will loose power and go back to normal in a matter of a second. I've always thought it was a problem with the stock lift pump on the side of the motor so i recently replaced it with a predator lift pump and haven't seen it run below 14psi. But even afte