Engine’s jerking!

Yes I know, I also read some posts but somehow no approach fits. my problem, had a few construction sites that were gradually worked out the worst thinking I was the coking of the camshaft, which was also cleaned so far, also was made several times a motor flushing as well as the injection, as last then a new throttle flap, new software was played after 2-3 times to let on cords he also again but now I just jerk this,hm Unterdr uck hoses have been renewed candles are io ignition coils io weis no further . Sorry long text