-3t doesnt have error codes, the oxygen sensor is not hooked up as it has a custom 2.5" downpipe/1" wastegate pipe and 3" exhuast with no cat, and single muffler at the rear.
-Oxygen sensor wont matter a pinch when I keep my foot planted upto 3.5k-4k then it starts smoken. as it will not be in closed loop mode.
-Last time timing was checked, it was stock timing.
-Hard to tell the color of the smoke, would deffinatly appear to be white.
-The blackness in the exhuast is carbon for sure. rich carbon, as when i run my finger across it, my fingers black and its not greasy at all. sorta like a fine sand ;p
-Deffinatly a odd smell from the exhuast, however i wouldnt know what burning oil from the exhuast smells like, i'd be inclinded to say the smell would be the richness tho.