So I have to take my 15 honda si sedan to DEQ. I live in oregon. The first time in took it in I had 2 unreadys O2 senor and the cal. I had the Prl tune on it from hondata. I have a aquity cold air intake and a 3 inch exhaust. I then switched it back to stock ecu and the check engine light came on.What do i do.Need help thank you.