Sd2 chip and power logger wideband ?

There is a offset you can type in the PL .its right where u choose what type of wide band you have . You would put some numbers in there and see if it has moved the number closer . But before you do that double check your grounds are good and I would attach the wideband to a good motor ground not some piece of metal under the dash . If that doesn’t help then start playing with the offsets
 
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