5 9 Cummins Injector Pump Problems

Perhaps the most notorious cummins failure on the books is when a vp44 bites the dust.

5 9 cummins injector pump problems. Once a vp44 has been. This happens if the deburring process during production was faulty. Sadly every 98 02 dodge cummins engine is destined to have a problem with the vp44 sometime in it s life. However this may not always be the case.

Diesel fuel powers a 5 9 l cummins engine through the use of a fuel injector pump. Many vehicle malfunctions are symptoms of a bad pump which can cause poor engine performance. The p pump found on 94 98 5 9l s which had its own oil supply. 98 02 dodge 5 9 vp44 injector pump removal and install short cut.

The fuel injectors in cummins 5 9 l engines are electronic. Lets learn more about vp44 pumps below. Not to worry though. This should facilitate the diagnosis of any problems.

In this video we remove the vp44 injection pump off of our 5 9 cummins that has been swapped in the ford excursion. The typical reason why that happens is that the rotor seizes. Diesel addict will arm with the most information possible to make the problem a piece of cake. If the mechanical components of the injector malfunction the best you can get form an electronic problem scanning is the cylinder which is causing the problem.

This electronically controlled rotary style bosch injection pump was used on all 98 5 02 cummins 24 valve engines and relied solely on diesel fuel as its means of cooling and lubricating vs.