Well I say that because fuel cut is VERY obvious. Its like its pulling one second, and then all of a sudden the car shuts off...then turns on again. Falls on its face, to me, sounds more like it just loses power, not cuts out all the way. Who knows.

And really bad misfiring will show up as lean on a wideband. When I had a bad set of wires it would pull ok till ~4-5k then miss like crazy and go to 16-17:1.