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P0411 Diagnostic Trouble Code Discussion for June 2005

Secondary AIR System Incorrect Airflow Detected


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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
1995 Mercedes-Benz C220 2.2L MIL Lamp on VIN: WDBHA22EXS
P0411: Secondary Air Injection. Well this one came back on me with the same code for secondary air injection (PO411). We rechecked all the work we had done and found 2 things.First we found that the filter to the air pump under the cover is coming apart. The pump does work and I have found o...
June 01, 2005
2000 Volkswagen Beetle GL 1.8L MIL Lamp on VIN: 3VWDD21COY
P0411: Secondary air injection system. I have a code P0411, Customer said that is comes on on very bumpy roads. After checking vehicle out I found only 5 inches of vacuum available at combi valve supply. The Deceleration valve is connected in series with vacuum suply for combi valve. If I pinch the...
June 14, 2005
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUBA24B3W
P0411: sec. air. ... code (p0411).Here's the history we replace the sec air sol.,valves both and the relay; air valve were leaking. Only set a code one or two time a mounth. Same thing evry time when coming off the highway car almost stalls runs ruff MIL light comes on p0411 s...
June 16, 2005
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUBA24B3W
P0411: sec. air. ... code (p0411).Here's the history we replace the sec air sol.,valves both and the relay; air valve were leaking. Only set a code one or two time a mounth. Same thing evry time when coming off the highway car almost stalls runs ruff MIL light comes on p0411 s...
June 24, 2005