Quote:
Originally Posted by thejeremyman9
It's hard to tell anything from the log because at part throttle your target AFR is constant but your fuel trims don't move. I would also suggest it is the O2 sensor or its wiring.
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This is what I was looking for. I believed that there was some stream or function of streams that would indicate something is wrong with input from the sensor. From the docs it did say when the sensor fails the DME falls back to a constant value as a failsafe or something or other. Cool!