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Early 1999 Ford F-250, 137” WB, Automatic
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Good morning y’all, I have a E99 F250 with 239k, she developed a substantial knock on Friday. It’s coming from the passenger side. It follows the rpm and I can hear it on acceleration and deceleration. With a stethoscope I can hear the thump loudest though the cylinder 5 forward exhaust manifold bolt. So far I’ve confirmed fuel pressure at 68psi at idle and never goes below 60psi, hpop is at 575 at idle with 11.33% duty cycle ( the truck has swamps single shots in it). I have no check engine light and the only code thrown is P0269. The cylinder contribution test show .9-1.2 on cylinder 1 3.9-5.9 on cylinder 3 and 1.9-2.7 on cylinder 8. The injectors currently have about 26k on them and replaced UVCH, valve cover gaskets, glow plugs and injector cups at the same time. Thanks for any help with this issue! Stephen
 
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