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P0411 Diagnostic Trouble Code Discussion for May 2005

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
1999 Audi A6 Quattro 2.8L MIL Lamp on VIN: WAUBA24B1X
P0411: incorrect secondary air flow. ... has come back again. I don't know if something is sticking open or if something is operating when it shouldn't. I jumped the air pump motor and it seemed to blow ok and I checked the operation of the control solenoid it also seemed to work ok. I didn't hav...
May 06, 2005
1997 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U5V
P0411: secondary air injection system. thanks ahead of time, need help on this one been chasing this one for a month. code po411/ check engine light always on, i may have missed something, tested air by pass solenoid voltage cycles 0.5 volts, im thinking it could still be in the soleniod !!!
May 26, 2005
1999 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWMD63B4X
P0411: secondary air pump. This car has had multiple probs with the secondary air pump system. When it first came in I had the po411 code, I foundhe a broken vacuum line from the sec. air sol. Then I found the air pump its self was leaking because the rivets had come out of the pump so ...
May 31, 2005