AEC engine unround idling/7 cylinder

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#1
Original: German · machine translated
Hey, guys.
have a problem with my S6 that I recently added to my collection. In my opinion, the first cylinder does not work (it is noticeable by very restless idleness) - when driving you don't notice anything, the engine pulls up cleanly, has power and all 8 cylinders are there....
Have already tried and tested a few things:
-Twilight cable swapped sample
-Candles exchanged among themselves
-Compression tested (even)
-Injection quantity/radiation of the injection valves tested
-other distributor caps are set up
-Exterior air

Just don't get any further .... my guess is now that a hydropump in the stand doesn't work as well... as it should... (sometimes also occurs at 6n polo etc.) or has someone here had another idea - or such a symptom?
As I said, the problem exists only in the condition .........otherwise, the engine has power, turns super high...

hope someone can help
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#2
Sooooo.....Motor läuft wieder einwandfrei.....Waren doch nur die großen Dichtungen unterm Saugrohr..... falls es jemanden interessiert....
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