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Message: <blockquote data-quote="squeezer" data-source="post: 2040070" data-attributes="member: 31783">Trouble Shooting so far:Pulled and checked all cold side plumbing. No issues there at all. Intercooler tubes had less oil than expected.Let the truck cool over night and then hit it again this morning.Pulled and checked the PCV valve. Clean, dry and functioning. (As good as the rattle test can determine anyway)Pulled a plug, clean and dry.Checked for blow-by into the crankcase with the paper towel test. Very light pulsing as expected.Held a paper towel over the exhaust pipes and had Emmet gun the truck. No smoke or soot on the paper towel.Coolant is clean and still holding pressure after sitting for hours.My experience is from non DI engines so the assumptions could be flat wrong but hear me out The cold side being clean, the EGR being spotless, and the plugs being clean (?????) say that the oil is going out the hot side of the turbo. There is likely a bunch of oil in the cat and muffler. The power loss is from the cat getting fouled (????).I also hooked the Accessport up and flashed the lower octane tow tune. The 0-60 times dropped from the 10’s into the 7’s… Not sure what this info tells us however.Going to do some hot side exploration tomorrow</blockquote>