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P0411 Diagnostic Trouble Code Discussion for January 2008

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
1997 Volkswagen Passat GLX 2.8L MIL Lamp on VIN: WVWEE83A1V
P0411: Sec. air system incortect flow. Ok here we go, We've had this code now on many other cars without always finding a problem. This car we found vacuum hoses split for air pump solenoid, repaired hose, & everything else was working. Customer drove car for a week then light came back on. We ...
January 23, 2008