Hi guys I bought a 98 civic EX with a si (b16A or b16a1) swap every thing works execpt the speedometer, I connected to a emmisions computer and is giving out alot of codes, called hasport and they said just send them the harness, I just wanted to know what could be done to the harness so the next time I hook it up to the emissions computer so it will not throw any codes and pass. The ECU is a P72J ecu. . AND WHAT CAR COMES STOCK WITH A P72J ECU Thanks for the info.