I have a 2013 Cummins isx 3719. Do you remember as a kid, youd have a soda and blow across the top of the bottle and it made a low, howling sound?...
Yes...either have it rebuilt or buy another.
Whatever happened with your Peterbilt? I had the same problem with mine.
I had that same problem. First the fuel pump went out and I had another one installed. The guys who replaced it didnt change it clogged up the oil...