Hi, My A6 has been throwing secondary Air Pump codes and I noticed that there was no vacuum at all on the lines that go to the 2nd solenoids. Then I noticed that one of the vacuum lines was disconnected. Problem is, I cannot seem to locate where it should be connected. I borrowed someone else picture to see if anyone could tel me where this line should connect.... Although this isn't the exact way mine looks, I think it gets my point across. Hose 5 was dangling down... It's about 2 feet long... No idea where it goes... It's not the resivour, that's connected right near it...

Anyone????

 

Just a long shot, but my factory diagram vac line is on the inside of the hood, yours' should be to