Dar tokią info radau apie 2 velenų 2.0 PD:

tpi 2014709/12
Cold engine difficult to start, misfires and has white/blue smoke - 2.0l 4V TDI Release date: 14-Jul-2010

Cold engine difficult to start, misfiring and white smoke or sporadic blue smoke. The engine has no coolant loss.
Technical background
1) The fuel quantity at the start is too low.

To locate the cause of the complaint remove the plug from the coolant temperature sender (G62). If the cold engine starts correctly, update the engine control unit

fakitol, skamba labai panašiai į tavo atvejį, sakei atjungus G62 startuoja gražiai?