Opel Combo 1.3 CDTI 2009 Smoke Exhaust Light Bulbs Display

Hello I have a problem with an Opel Combo 1.3 CDTI (motor Z13DT) WOLOXCF25A4012044 115.000Km So the vehicle is running it’s no mistake Deposits except immobilizer probably because the battery was flat. The problem here is the light plugs lamp flashes permanently to smoke it sporadically for a time back from the exhaust white so quite strong smoke the stops after a time again and sometimes again whether cold or warm makes no difference the distances between d length of smoking are randomly I noticed I don’t know if that comes through the other things I mean it was also very cold outside the vehicle does not come over 70-75 degrees According to the tester I just don’t know where to start looking for I have read out the error memory NOTHING I checked the injectors backfeeds and compared hot and cold Everything good I tested the Lambda probe also times during the restlessness nothing I controlled the AGR from 0-100% F Unctioned achieved Should position oil is changed old had no special traces to show no diesel mixed Unfortunately I also did not have such a big story of this car except that it is maintained up to 100Tsd KM checkbook. If you could help me further where I can look for which parameters etc. simply that I can get ahead with the error In the video Here was the vehicle Warm of the smoke gets sometimes also denser than here the measurement of the return was 4 minutes I don’t see any dramatic differences here You can hear the restlessness a little while the return was missing with 2 injectors also pins I guess there was someone at work video at the engine run and smoke