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P0411 Diagnostic Trouble Code Discussion for July 2007

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWAA23B1Y
P0411: Secondary air injection incorrect flow. This 1.8 passat has a recurring P0411 fault for secondary air, incorrect flow. The car initially came in 5/07 with an MIL having the same fault. The combination valve was stuck open with some miscellaneous broken vacuum lines. The valve was replaced and the li...
July 18, 2007