Okay, I'll change the O2-sensor next week.
![Smile :)](./images/smilies/icon_smile.gif)
Then I'll also check the idle-problem.
Maybe it runs in diagnostics, wenn I start it in diagnostic-mode and then change the ignition-time while the engine starts.
Yes, it runs with B6-FL-pump and the K8-PreFL-harness.
![Smile :)](./images/smilies/icon_smile.gif)