Hello guys, hope you can help me. I installed a born engine with my Omega B (EZ:03/01) after engine damage. After the first start it did not jump in, overwhelm nuts of the pipes at the top of the injection traverse, there was no diesel. An additional electr. pump in the return clamped and ventilated. He jumped on, ran also like a one, drives well, full power. But when he stands overnight he usually does not go on, also not to org me, but only how much My guess, the fuel system pulls air. Fuel filter housing has already been renewed, also the filter. What made me a bit stubborn was the extremely black/dirty fuel filter (was so dirty, that if you had a black finger with your finger above it, I have never seen it before). No leakage can be seen, it has already been driven about 150 km. As the born motor complete (incl. pump, traverse, injectors, pipes etc.) I probably only built the defect in there with it, before it ran. I have to say, the Fzg. had stood for a year. Thanks schinmal for your help, Tommy.