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P0411 Diagnostic Trouble Code Discussion for February 2011

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2002 Audi TT Quattro 1.8L MIL Lamp on VIN: TRUWT28N02
P0411: secondary air inj low flow intermittant. Hello Folks, This car is driving me nuts, The Secondry Air pump never runs when cold . Yet I can run all out put test with Vag and everything works. Does this not tell me the Ecm is ok also? The only thing I can find is in data blocks for eng, is temp cold is ...
February 13, 2011