I appreciate the comments on the Walker O2 sensor. I'm going with the Bosch.
However, I have to take issue with the comment on the "wire to breath" for the sake of all who read these posts. You comment has no basis in fact or current knowledge. Soldering is a proven technique to reduce the potential for increased resistance caused by crimp style connectors and the associated issues of corrosion, etc. With such low voltages, it is important to manage resistance. I am not an electrical engineer by trade, but I've spent the better part of 30 years working with some of the finest in the civil and military sectors. I have never heard them say "wire to breath".
This forum is a great resource and what can make it better is to correct misconceptions quickly and politely.
Cheers!
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