i had aproblem the last couple of days. i wired up my comp. and my car idled rough. i rewired this thing about 5 times. so my uncle gave me a noid test kit this thing is greate it told me the injector were bad. well today i went to salvage yard got 4 more injectors put them in and holysh#* it was the injectors. thanks to everybody that helped me through this install.