Dodge Cummins Diesel Forum - View Single Post - Oil and fuel mixing in ppump
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post #44 of (permalink) Old 07-25-2019, 08:38 PM Thread Starter
Dieseldave94
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Well got the socket and removed the #1 delivery valve. Nothing appeared to be wrong with it except some light rust. Barrel seemed to be fine no scoring or anything. I removed the #2 delivery valve and switched it with #1 but the issue still remained with cylinder 1. So im thinking it has to be something further in the pump but before I spend the money on a rebuilt one is there anything else it could be?
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