aup lads think ive found the issue.. before no faults in ecu. took for drive and its not got one somthing about mixture (add) somthing like that.. mate at work put it in computer and basicaly it says it means there could be a exhuast leak or a air leak, my exhuasts started blowing on the flexy just before the lambda strange how its just started running like rubish? spoke to my mate who owned the car before me and hes said the pcv valves been blanked off so can be that