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Re: 2003 Ram 3500 5.9L fuel pump conversion
Posted to HD/Fleet Forum on 3/5/2020 1 Reply

Gary,

I have done quite a few. Just did one a couple of weeks ago.

Basically, if there is an update I perform the update. If there is no update which is often the case leave it alone.

I will typically pull the calibration number from the Cummins ECM and c... Login to read more.

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