6 7 Cummins Lift Pump Test

Fuel pump return flow test measures the ability of the high pressure fuel pump to provide specified return fuel volume.

6 7 cummins lift pump test. All 6 7l engines use an in tank style supply pump like the later 5 9l engines. Jump to latest follow 1 4 of 4 posts. I personally have run one on all my trucks and would recommend it. The 6 7 also uses the same nearly the same common rail injection system as the 03 5 9s.

I am running an isspro ev2 fuel pressure gauge. Check out my brand. So here s the low down on how i installed my last one. Fuel lift pump transfer pump or feed pump whatever you want to call it.

Not on my 2007 dodge ram 3500 cummins turbo diesel 5 9l dually my haynes manual even shows it in the correct place mounted to the side of the fuel filter housing. Hit that like button subscribe share comment. I recommend a 30psi that your readings will be in the middle stock 6 9psi aftermarket lift pump will. Running a lift pump gauge is a great thing to have.

There are also supply pumps that mount on the frame rail and replace the in tank supply pumps such as the fass pump. Test the supply pressure at the inlet to the cp3 pump. Remember that the rigidity and internal dimensions of those lines is crucial to proper engine operation. When working on the 6 7l fuel lines it is tempting to bend the lines out of the way to get at items or tube nuts.

Shane discusses how to easily tell if your cp3 is bad and the proper way to package a pump for shipping. Normal pressure is 10 psi at idle and they typically drop close to zero psi under load.