Hygear, I guess if your not in the "know" hard data escapes some people. I have customers that come in the shop just as unreasonable.

narrow band .1 - 1volt range right?
wide and afr 0 - 5volt range right?

Just pick a late model dodge p/u(for example on previous post) look up code #172 and GEE to my surprise it gave the voltage range of the o2 at 2.5 to 3.4. How you came up with wierd voltage, different wire combo's still does't change the obvious. Thats the data that came off two differet versions of alldata.

I have looked at the data on my scanner and it gave the higher voltage.

One version of alldata called them narrow band. When you went in and looked at the troubleshooting tree the voltages didn't match narrowband.