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P0411 Diagnostic Trouble Code Discussion for November 2004

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2001 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWPD63B51
P0411: sec air. car came in with check engine light on, codes 17887/p1479 and 16795/po411. we checked opperation of each item and they seemed ok, we then cleared codes and told customer to drive the car a few days to see if they were going to come back. the next day the check...
November 05, 2004
1999 Audi A4 1.8L MIL Lamp on VIN: WAUDC28D3Y
P0411: Secondary Airflow incorrect. ... Audi that came to me with a couple problems several vacuum leaks and fouled plugs, running poorly and no power. DTC's P1128 and P1136 both indicating a lean condition or according to my info they do. Corrected several vacuum leaks, replaced plugs, and MAF ...
November 30, 2004