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Re: 7.3L diesel HPOP testing
Posted to HD/Fleet Forum on 5/22/2019 13 Replies

Charles, You MAY have just given me the answer. When I deadheaded the pump it was only 500psi. I then grounded the control wire on the regulator and I got 4000 PSI.

Now I'm wondering why I only got 500 PSI with the PCM in control of the regulator. The regula... Login to read more.

13 Replies Received (View Replies)