i made thread b4 but i didnt get any info.....THe StorY.....i have a 91 civic ex (4d00r) thats obd0..i fVCkT up the motor...so i swapT in a d15b..i have all the ****.2 make it obd1 BUt i said FVCk it NO time 2 wire **** UP...so i used my manifold and dizzy(first swap ever done in a day an a half by my self))...PLUS wen i got the swap the manifold was missing a sensor..the car runs good...no CEL lights..now i got my hands on a obd0 pr3 ecu....my question is can i run the ecu and open vtec.i plugd the ecu in my car and that **** starts up and all.. idle is a lil off but nothing i cant FIX..soo wat are the pros and cons..(( not chiping or remaping ****...) thanx.. angel...

 

it should throw a CEL for second O2 and knock sensor unless you actually adapt these two sensors to your setup

 

its a 95 d15b wired obd0..still using my 1 o2 sensor..i did take maybe like 2 plugs from the back of my d16a and used them on the d15..