I've manged to glean a bit more info, 300 tdi autos with edc have 1 injector (err 3337- bosch KBAL 90 P 38 with a sensor fitted to it and 3 x err 3348 - bosch KBAL 90 P36)..... now bosch in their infinite wisdom don't support these no more !!!!!!! so two questions
1) is anyone breaking a 300 tdi...