Code brake down

[leebo]

hey, i know i seen it here or somwhere before but i cant find it no more. im lookin for the brake down or a link to a site with all the codes for all the engines and gear boxes. just so i can understand fully what all yas are talkin about. im starting to rebuild a 1.2 (dont laugh) myself and i am doing work to the engine and possibley box.
cheers all lee