i have d15b2 mini me non vtec . i just put a si ecu in my 91 crx and now my car sputters like hell when I accelerate and i have no idea why its doing that. Im wondering if i have to reflash the ecu. If anyone has any ideas let me know.

My build is d15b2 with a6 head z6 intake and 4-2-1 exhaust with pm6 ecu. if u need any more info just let me know and ill try my best to answer your question.