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Re: 7.3L diesel HPOP testing
Posted to HD/Fleet Forum on 5/24/2019 2 Replies


I tested the pressure in the fuel filter bowl at idle was 90 psi. I hooked a vacuum gauge to the fuel pump inlet and it never went below 3" hg at 100% load.

I'm going to test the fuel pressure under 100% load next.

One other thing, The last test dr... Login to read more.

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