I have been to various forums and searched around the internet for some time now and cannot find weather My 97 prelude sh with a h22a type swap and yes I still has atts. My question is Can i chip my ecu and go to OBD 1 without losing my atts. The reason im asking this is I picked a JRSC pretty cheap and want to upgrade my injectors and chip the ecu but im pretty sure atts is only on OBD II ecu and i cannot find a straight answer on this topic.

Thanks

 

No.

 

eManage Ultimate is probably your best bet for tuning.