Has anyone bared witness to an O2 sensor giving a lean number when it is actually pig rich. I believe this is a possible case as it is only looking for unburnt O2, yes? In my research I thought I had come across this, but can't find it. I am not running an O2 nor am I having running issues, just have this question to help those that believe the O2 sensor is the God gift to tuning. I understand in a fuel injected engine, with more sensors, variables, and tuning maps it shouldn't be the...
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