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Mysterious separated vacuum hose...PICS...2001 A4 1.8T

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Old 06-13-2012 | 09:21 PM
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Default Mysterious separated vacuum hose...PICS...2001 A4 1.8T

So i've been trying to diagnose some engine problems, particularly one with the code P0411 (secondary air injection system, incorrect flow), when I came across this broken off vacuum hose near the back, top of the engine. Check out the pics and let me know where u think it goes cuz I can't find where.





Attached Thumbnails Mysterious separated vacuum hose...PICS...2001 A4 1.8T-img-20120613-00031.jpg   Mysterious separated vacuum hose...PICS...2001 A4 1.8T-img-20120613-00030.jpg   Mysterious separated vacuum hose...PICS...2001 A4 1.8T-img-20120613-00032.jpg  
Old 06-13-2012 | 11:43 PM
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Default Re: Mysterious separated vacuum hose...PICS...2001 A4 1.8T

I'm thinking it might connect to the check valve just above it. I believe that one is a 3-way and the third arm has broken off into the loose hose. Correct me if I'm wrong
Old 07-01-2012 | 12:39 AM
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Default Re: Mysterious separated vacuum hose...PICS...2001 A4 1.8T

You are absolutely correct jahnetik
Old 07-04-2012 | 03:50 PM
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Default Re: Mysterious separated vacuum hose...PICS...2001 A4 1.8T

Ha, I was. All fixed now
Old 07-05-2012 | 08:08 AM
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Default Re: Mysterious separated vacuum hose...PICS...2001 A4 1.8T

maybe you should replace it with another one that would be better
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