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Re: 7.3L diesel HPOP testing
Posted to HD/Fleet Forum on 5/24/2019 9 Replies

P1316--do an injector buzz test. Fuel pressure should be better than 50 PSI, and it needs to have more than 55 PSI of fuel pressure to prevent injector cackle.

Will you get over 3300 RPM at WOT in park/neutral? What is your ICP pressure when holding 3400 RPM... Login to read more.

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