ok, i know u guys have probly answered this ? acabagillion times but i need help. I jus got a APG billot WGA and i have a MBC but its not hooked up. K heres the deal...i adjusted the wastegate so that it boosts like 18psi but it takes FOREVER!!..its slow as hell untill like 4500RPMs..i hope its not supposed to be like that..i have the vaccum lines hooked up the way it would be stock..i would like it if someone could help with a step by step on how to tune this thing right..also i got a check engine light ..is there anything that can be done about that?