So an update for everyone. Getting codes for the bank 1 sensor. Bank 2 seems to be fine.
Codes 2c73 and 2c7b.
I've swapped the simulators, no change.
I've redone the harness for the bank 1 sensor...no change.
Next I will try to use one of the older sensors I have and see if I get any difference. Maybe it's a bad sensor?
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