i just installed an egt, oil pressure, and boost gauge, and Greddy profec b spec 2, now i am tripping a CEL light, anyone have any idea why, or is there any way i can tell how??

i just installed an egt, oil pressure, and boost gauge, and Greddy profec b spec 2, now i am tripping a CEL light, anyone have any idea why, or is there any way i can tell how??

Get the code number so we can tell whats actually tripping it :D