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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="08PowerSmoke, post: 334375, member: 4767"] I thought the same thing with mine....Excessive CCV pressure....enough white smoke to where sitting still in traffic it looked like a fire and there was a knock too. I had a leak in the fuel rails at the end cap....it was dumping fuel in the crankcase almost 4 gallons worth! Which caused excess pressure and thinned the oil enough to where there was excessive noise.....IF it happened while you were tuning the air dog it might be the problem. Fuel pressure caused a leak that normally wasnt there..... Easiest check.....take some old oil jugs and change the oil....ONE if it smells like fuel TWO if you have more oil than supposed too you could have the same thing. [/QUOTE]
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6.4 Aftermarket
while tring to tune my fuel pressure, pretty sure cracked a piston
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