If I disconnect the battery, will that reset the computer ?, and, theres no smell or sign of any fuel leaks, as you say Kevin, it'll probably need hooking up to something electrical as oposed to the scrap lorry, f****n shed !. Cant complain, its a really good bus (up until now) good job it failed outside the house, i'll have to get green flag cover on it or something just in case.
Thanks all, i;'ll keep trying