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Power Strokes
6.4 Aftermarket
Low Fuel Pressure
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[QUOTE="B585Ford, post: 404172, member: 5497"] I would want to know for sure before I spent the money to replace HPFP. Granted the HPFP will eventually fail, but if you can get another 50k miles out of it, no sense to replace it now if it doesn't need it. According to Wayne from another thread, he said he bumped the regulator pressure from 2.5 psi to 5 psi on the [B]factory [/B]regulator. His pressure source for the testing the LPFP was the factory schrader valve on top of the fuel cooler. Ight consider trying that before buying the HPFP. [/QUOTE]
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