Effighham IL. 711 miles to go.
It isn’t using any oil. Consistently sets post-catalytic o2 codes
rich on one bank lean on the other, wires swapped on one
Air suspension height sensors still present and functional, values pass sanity check (+10mm in front, -85mm rear)
The RF suspension link I tightened yesterday is clunking again. Pretty sure I have a spare knuckle and spare link in back, but not a spare bolt if I overtorque and break it. Loose pinch bolt. I expect the knuckle is worn from being loose.