swapit

i have a 92 civic vx.i just installed a 00b16a2.instead of using the vx engine harness i used a usdm 01type r harness.the cars runs and drives but the cel is coming on for o2 sensor.i am also using a chipped p28 ecu.isearched and seen about changing the wiring location for the 5 wire o2 to 4 wire o2.not sure if this is going to work for me.im using a 4 wire o2 now.
help out please!!