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P0411 Diagnostic Trouble Code Discussion for December 2012

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 3VWSF71K25
P0411: upper limit. this post is to help with a drive way fix/repair so you can see if there are other things going on. typical of the VW breather system you get internal vacum leak, and on this eng [2.5L] vale cover needs to be replaced. I used a PCV valve [ I found in the used ...
December 19, 2012