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P0411 Diagnostic Trouble Code Discussion for July 2010

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2000 Volkswagen Beetle GLS 1.8L Stall VIN: 3VWCD21C7Y
P0411: Secondary injection air flow incorrect. ... start. Upon looking at the car, it starts fine, runs a few seconds then you hear a hissing like asevere exhaust restriction, the motor starts to miss and stumble and die, and the hissing disipates. I thought we had either a restricted cat or a locked up tu...
July 07, 2010
2006 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 4362167165
P0411: Secondary AIR System Incorrect Airflow Detected. Received code P0411. Tested Air pump, pump and relay work when commanded on by scanner, great flow at solenoid valve. Solenoid valve relay cliks fine, solenoid was not opening. Repalce soelnoid, test drive, light comes back on same code. Rechecked everthing, e...
July 13, 2010
1998 Lincoln Mark VIII 4.6L Misfire, MIL Lamp on VIN: 1LNF1V2WY6
P0411: sec. air. ... P0307, it also had a code P0411 storied. the customer knew about the P0411 and did not care, it has been on about eight month's. The flashing just started that morning, the tech replaced #7 coil and the spark plugs, they were badly worn. It still had the m...
July 22, 2010
1998 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: BVWB81144W
P0411: . Hey vw guys out there I have this 98 jetta that has a po411 code air injection sys incorrect flow the problem is that this car doesn't have a air pump system there is no wire off the harness that would let me believe that a pump was there before or a check val...
July 23, 2010