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Re: 7.3 fuel pressure regulator issues
That's odd, I thought Ford started putting Viton seals and O-rings in all of the fuel system components around '99 or even earlier... Unless this is non-biodiesel related and just physically damaged. How many miles do you have on biodiesel? Describe the O-ring; is it crushed, cut, torn, mushy, soggy, hard, cracked, stretched or any other adjective that I missed? In my experience, biodiesel will either soften a plastic to the point it "melts" or make it so hard it's brittle. Right now I'm thinking it was caused by the regulator not seating properly, or some debris got caught between the regualtor and the oring when the regulator was open and damaged it. Or I could be thinking of the wrong seal altogether.
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2001 F250 7.3L Power Stroke Lariat, Ext. Cab, with 4x4 On Road; Running on 100% home-brewed biodiesel.
DIY Tymar Intake, Hutch in-tank mod, Harpoon, Reg-return setup 65 PSI.
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