I am in dire need here....I am getting a cel 1 and cant get it to go away.. I have tried a 2 different o2 sensors one out of a working car and a brand new one...It is a 4 wire o2 sensor.. My motor 94 b16a sir II. The car 95 honda civic lx. using p30 ecu mt obd1. I cant figure it out to save my live PLEASE HELP.. I hope I gave you enough info...

code 1
Oxygen sensor or circuit.