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I'm going to be doing some datalogging on a OBD0 ECU.

OBD0 pinout claims WB o2 goes to C8
http://honda-tech.com/showthread.php?t=2911958

ECUControl options list (Oxygen Sensor Input C16)


The stock O2 is on C16, if I wire my wideband to C16 then will the ECU operate in closed loop as normal w/ the wideband connected or will I have to reconnect the stock o2 for closed loop after tuning for normal operation?

Thanks!

C16 for a PM6. Disconnect narrowband, connect wideband, disable O2 trim in software, lather, rinse, repeat. If your tune is good enough, you can really just leave the narrowband disconnected/disabled (in my opinion), otherwise re-enable and re-connect when finished tuning (if there is such a thing).

Thank you!

I'll be receiving my Nokia phone adapter today for modification:
http://3.bp.blogspot.com/_J1iH5akz1V4/T ... 0+baud.png

I can't stress how important it is when using a wideband to ground all the wideband's grounds to the ECU ground.

I got everything working. Thank you again!