Hello Together, I hope you can help me thanks to the friend with high cost. I have a Polo 1.4 85 HP, which jerks at idle speed, no matter if hot or cold. He has seen around 170000km on the clock and never seen E10. In VCDS time he exchanged a fluctuation of 620 – 760U/min^-1 What I have done -tooth change with water pump (control times several times check these fit) -cylinder head seal (head planned and pressed for tightness of valves) -hydroshumps (since some the spring was defective) -tooth tube pressure sensor (on assumption of jerking) -throat valve (since he had had in the warm start problem, was also learned) -with a cloth the injection valves tested the spraying valve have not yet been tested yet. -toe force loader replaced -toe force pressure is consistent with 4 and ventilated. -too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too too tootootootootootootootootootootootootootootootootootootootootoootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootootoo