Hello everyone I NEED SOME HELP.

[Nhramember]

(10-30-2023 )Bengy88 Wrote:  I think Rawze has other steps he follows but the first thing I do when the rail pressure falls like that is cap off 3 injectors at the time. First the front bank and then the rear and do the test again to isolate which injector or injectors are leaky if any. If I don’t find any leaking then I change the pressure relief valve. Also you need to pull the head off of your pump and check or replace your plungers depending on mileage on your engine.

This didn’t start happening till I put biodiesel in . I ran the injector test but I did have code 2343 and 559 at the same time . You asked me that before. I also ran injector test all passed. Thanks nate