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P0411 Diagnostic Trouble Code Discussion for November 2010

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2004 Volkswagen Passat GL 1.8L MIL Lamp on VIN: WVWPD63B24
P0411: secondary air injection no flow. after replacing hose noticed that when air system operates there is alot of exhaust backpressure blowing back to air pump switching valve works properly took switching valve off at head tried to blow threw port,port is restricted started car and have alot of e...
November 03, 2010
2001 Audi A4 1.8L MIL Lamp on VIN: WAUAC68D51
P0411: Secondary Air Injection System Incorrect Flow Detected. ... that has me slightly pulling my hair out. First off it came in with the P1128 and P1479 codes current. We smoked tested the intake system and found the vacuum leaks listed in related repair history. After replacing those parts I re-smoked it to confirm rep...
November 16, 2010
1999 Volkswagen Passat GLS 2.8L Cant fill fuel tank VIN: WVWMD63B1X
P0411: Secondary air injection. This is my sons 1999 passat 2.8 and we have trouble putting fuel into it.We have been to several stations and the pump just shuts off after about 7-10 gallons but the tank is not full.
November 21, 2010