hi there can eny one tell me what kind of chip this is in my ecu,i have just bought a 2nd hand ecu and a set of gray injectors of one of my mates pals.he said it was out of a escoss with 400bhp+ this is the no. on the chip HGPC2-403 AB 7/10/2004 i take this is the date it was fitted and also would it be compatable for air injectors because my mate says depend on the chipp or sonthing sorry if this doese not macke eany sence as iam new to this kindy thing thaks.