Now as you, 1 gen B16 owners, probably know. the 1st gen b16 comes with two o2 sensors with two seperate wires going to both of them (1 wire per o2 sensor). Just lately I herd a rumor that you can take the two o2 sensors on the car and and replace tham with one o2 sensor (with 2 wires going to it). Now does anyone know if this is true and how I can do it. any comments or concerns are welcome!!!

 

jus take both o2 wires and plug them into the same o2 sensor, the number 1 o2 sensor, the 2nd o2 wire into that.

 

Could work, but wouldn't the ECU get incorrect data then?

 

This subject has been covered many times and it's not recomended that you run one 02 for both inputs... from the hondata website

"Pre-OBD I Engines

Early VTEC engines use two oxygen sensors arranged to read one cylinder pair per oxygen sensor. The mixture for each cylinder pair is tuned separately. It is important not to wire the sensors around the wrong way, otherwise one cylinder pair will run lean, and the other pair rich. It is also important not to wire one oxygen sensor into both sensor inputs, otherwise the engine will run either very lean or very rich."

Hondata site

 

If you want to run one O2 sensor properly, get your ecu chipped to only look for one O2 sensor or convert to OBD1 and run one 4 wire O2 sensor. Splicing both sensors together is not recommended.

 

If you do choose to run with 1 o2 make the splice as close to the ecu as possible and use a heated 4 wire o2 sensor.
While not the preferred method and Honda Engineers designed the motor to run with 2, it does work if done correctly and you'll run alittle rich/lean as opposed to very rich/lean.

 

Where can u gat a chip for the ecu?????