My Omega BII Caravan 2.0 DTI Bj.2000 100PS and 179Tkm on the clock, which is really difficult at the moment. The problem of the underpressure lines is well known and there is always something with you as OMI drivers. But for some time now, he only wants to reach the 160 km/h with difficulty. In doing so, all filters have been renewed and light candles have also been used. Maybe someone knows advice and can give you a tip. I thank you already. Now the manor