Figured id share my garbage..

Hey @TT5.9mag i think I got this whole sensor thing dialed. Max voltage reading would put the AF at 18. Dash is one line short of the 4.5 volt reading. Can always shift the scale and lose the .5 volt reading.

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So it’s much more linear than we thought. No math needed? The real test is compare it to a known good tailpipe sniffer. Westech?