Ive been searching the web all day and all i get is obd0-obd1 conversions, single wire O2 to Heated type, the down loadable shop manual only depicts OBD1 B17 and B18 emissions, no wire diagram either at the end of the booklet on pg 12.

Ive come to the conclusion its 1 of 2 pins but i want to see what info u guys have to share.

i got this car 2 weeks ago and finally its up to par. only thing left to do is replace the O2 sensor. the car came with chikara aftermarket headers, so if it did have an O2 sensor in the header, then that one has been deleted but the O2 sensor on the downpipe still exists, BUT ITS CUT and there is no evidence of where it plugged into so i was just going to run it strait to the ECU.

91 Integra (OBD0)
2 Dr LS 5spd

MODS in relevance to trouble shoot: Chikara header and down pipe ( with no option for O2 sensor in header )

QUESTION: Which ECU pin do i splice the Single wire obd0 O2 sensor in?

just looking for a simple answer example: A12 Yellow/White

thank you and appreciate the help ahead of time.

 

its a mystery lol no one knowes

 

Honda Civic OBD0 EF ECU PINOUTS - My Pro Street