I have to agree, the service life on the pump and injectors is 100K, that's if you take care of 'em, fuel additives, keeping the return lines and "O" rings in good shape.
I would (because you don't have a fuel pressure gauge to see what the pump is doing) go along with onetonride, and check out Oregon Injector Service at:
http://www.o-f-i.com/index.php?page=sec/exchange_pumps_injectors.htm
They have good prices and great customer service. I got my injectors there.
Also, just for preventive messure, check to make sure your return lines, or injectors are not wet (even a little bit), which may show leaking, sucking air, etc., sometimes this can effect the pump if the pump (and/or injectors) are going.
Let us know what you find.
Marq
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1990 Ford F-250 4X4:
7.3 IDI with 120K on the clock:
ATS Turbo with waste gate:
Stage One Injectors (Oregon Injector Service):
Complete Return Fuel Kit (Oregon Injector Service):
DB2 Pump, cranked up with Cold Advance wired permanently on:
4” down pipe, 4” straight through exhaust stopping between cab and bed (no fuff on my stuff):
Torque Converter Lock Up Switch (On/Off/Lock-Up):
E4OD Line Pressure Controller (adjusted to fast/firm shifts):
4” lift w/Rancho shocks:
Big Fat Tires on custom rims:
Tows 1985 fully loaded heavy 28 foot RV (my house) everywhere: