Originally Posted by 97 CIVIC EX
Is 99-00 SI ecu plug different from 96-98 civic's? I think its different and cant be plug on my 97 civic ex harness is that right? Let me know guys b/c my civic is running slow right now..... can the ecu affect its performance by using this p72 gsr ecu?
Yes, the 96-98 civic plugs (obd2a) is different from the 98-99 (obd2b) plugs. There are major differences that are beyond a simple re-pinning exercise.