Vauxhall Vivaro 2007 - vivaro 2007 Problem - alfie7

Ive got a 2007 Vauxhall Vivaro done about 150k miles ,no problems, full good service history, Started cutting out on me, couple of red Stop lights would come on plus engine management light,would turn ignition off,and then would re-start no problems..
now it wont start at all.
I borrowed a Diagnostic tool off mate of a mate, pluged it in and codes
P0200
P2149
P2146
come up with words Fuel Injector Circuit Malfunction??
HELP
Many Thanx for your input....