hi had few problems with my ford focus tdci been told to recode the injectors i got a snap on solus to do the job but finding conflicting info online as which order they are coded in and can anyone help i have the injector codes written down starting with no1 cylinder bein ttiming belt end the solus lists as cyl 1 to cylinder 4 do i just insert codes in this order or is it done in firing order?? cheers dave