Interesting table here (ignore the table name, it's obviously not base timing).
cf58c Scaling = EstimatedAir/FuelRatio
cf520 , 14 elements g/rev
cf558 13 elements RPM
I'd be curious to know what this is.
I did notice, after removing several of my O2 sensors, I sometimes see non-standard closed loop AFRs, (i.e. not 14.7) and this might be where those are coming from. I will often see 13.73 going down the road around 3500rpm.
