I have a JRSC GSR running stock boost. The car was running great before I installed hondata s200B on a obd1 p72, rc 550s, and a 65mm JG tb. Now when I start the car the idle moves between about 900 and 1600. I have checked and rechecked multiple times for vacuum leaks so I highly doubt that is the problem. Does anyone have an idea what could be causing my problems? When I installed hondata I relocated the map sensor as the directions show, but do I really need to get an obd1 iat? Do I need to do anything else to get this stuff working? Any help would be appreciated.

I just realized this.. maybe it has something to do with the problem. The s200B was tuned to run a mild turbo setup with 550 injectors. what do you think?