Vauxhall zafira 1.8 16v x reg - Wont stay running - Mattiestyle

I have a zafira its had a new cambelt new spark plugs new coil and a new crank shaft sensor it has been stalling randomly and then one day it just started ran for a second or so and cut out and now thats all it dose starts runs for a second or so and diys, any ideas please.