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Power Strokes
6.4 Aftermarket
while tring to tune my fuel pressure, pretty sure cracked a piston
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[QUOTE="78f100, post: 343225, member: 3542"] You ended up being right, I did have a bad injector but also when I changed the oil after replacing the injector I had about 1.5 gal of fuel in the oil. This was the first oilchange since the build, I thought the fuel came from when the injector went out. When I replaced the injector I pulled all 4 on the dr side, I was not sure if the injector would fix the knock so I didnt replace the fuel tubes, orings or change the oil, It ran good so I changed the oil drove it about 200 miles noticed fuel smell in the oil dropped it sure enough more fuel. Then I replaced the tubes thinking since I reused them they might be leaking,o rings, and oil, drove the truck for 250 miles checked the oil overfilled again, dropped oil had 1/2 gal of fuel in it. I went to ford and got new rails 300 each and they gave me a break on them, I am not happy that I sent my good rails in as cores and got these leaking son of a guns, but lesson learned. I had read about others having the same issue with this shops rails, (they were NOT from Elite) I even checked the end caps, just by holding them in my hand and making sure they were tight, guess I should have put them in a vice and torqued the crap out of them, then again I shouldn't have had to worry with it. Just another expensive lesson. [/QUOTE]
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6.4 Aftermarket
while tring to tune my fuel pressure, pretty sure cracked a piston
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