Thanks for the reply, it wasn't a progressive deterioration though, which in my eyes would rule out the throttle body being dirty/clogged Re the lambda, it isnt saying it is at fault just that it cannot adjust fuelling any further to rectify, i believe this may have been down to me pumping the hell out of the throttle when trying to start. Have checked the MAF all seems ok (unplugged etc) wires are ok. In my experience a MAF would put the car into "limp" mode rather than refusing to start, plus the fact that there was no MAF fault code on the diagnostics I have found a local VW specialist that