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P0411 Diagnostic Trouble Code Discussion for April 2009

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
1999 Audi A6 2.8L MIL Lamp on VIN: WAUBA34B6X
P0411: secondary air injection fault. i have a audi a6 qautro 2.8 here with a p0411 secondary air injection code. customer states this has been a problem for about 6 months. he will clear it, and in a couple days its back. we have been working on and off with it for a couple weeks. started with th...
April 30, 2009