Fuel Pump of Death - ISX. What to do and when to stop worrying?

[Waterloo]

Ceramic or steel, they all fail, and still do on the newest ISX motors. Rebuild fuel pumps prior to 400,000 miles. And who knows how long Cummins will offer the rebuild kits, as they can sell you a new pump for around $6000... And that day will come, kits no longer available. And there are no guarantees these pumps will go 400,000 miles, so all folks driving these trucks should be made aware of what codes to watch for when a pump cuts loose. A low fuel pressure code I believe is the first code that pops. When it does, the motor should immediately be shut down, and a hook called. Drive it further, and you know the ending. And even if you catch it in time, it can cost as much as an in frame to repair, and there are no guarantees all of that metal shrapenal will not come back to haunt you later on.

And if you are thinking of throwing a used fuel pump on a motor fresh from the scrap yard, you are being a fool. If you need a pump, fine, just make sure you take the time to rebuild it. The kits run around $500 last I heard. The instructions to rebuild are on Quickserve.