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P0411 Diagnostic Trouble Code Discussion for October 2008

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M53
P0411: . ... jetta just had used eng installed because of clogged screen mill on p0411 ok on cold start no sig from ecm to operate SAI pump at relay pump will run using probe only have global obd 2 live data reads mass air 250 g/s to 190 even with KOEO ECT -38 IAT 18 n...
October 21, 2008