i have a 92 cx and i swapped in a d16y8. I'm using the org harness and ecu (obd1) now but it is not running so great. i did buy a p28 but when i hooked it up (vtec and 4 wire o2) it will start and cut off right away. i tried switching the 2 black wires on the o2 sensor and it still dose the same.
i have the o2 sensor hooked up to the ecu as...
white wire - d14 on ecu
green wire -d22 on ecu
black wire - a6 on ecu (org/blk on harness)
black wire - a25 on ecu (blk/yel on harness)
pls let me know what u think and if i did something wrong... thx for the help, Lo