white smoke

[Audiden]

Originally Posted by steve briance

Would it be possible for water to accumulate / condense in a silencer somewhere and it gradually turn to steam as described? It would keep reappearing until all gone. Maybe a hole somewhere h allowed water in and soaked the wadding? Just a guess though but if right it would clear up with lots of use

Yes I'm pretty sure that was the cause of my Audi's excess steam.

As said, after pressing the car into daily service it soon cleared up & was never an issue again.