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P0411 Diagnostic Trouble Code Discussion for July 2008

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2000 Volkswagen Jetta GLS 2.0L MIL Lamp on VIN: 3VWSC29M9Y
P0411: secondary air injection. HELP!!! We have a 2000 Jetta with a P0411 or 16795. We replaced the vacuum hoses to the diverter valve and the soleniod (worn & cracked on the ends. The Pump blows like crazy. When you energize the valve and apply vacuum lots of air goes thru the exaust. W...
July 01, 2008
2000 Volkswagen Beetle GLS 1.8L MIL Lamp on VIN: 3VWCD21C4Y
P0411: Secondary Air Injector Incorrect Flow. Good mourning,need help with po411 code have good air flow out of pump and vacuum at combination valve, still continues to have same code Checked air pump to make sure rivets werent loose Running out of test procedures any help would be appreciated
July 10, 2008
2000 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCC21C4Y
P0411: . hello vw techs i nedd to know if the sec/air pump can cause a p0102
July 17, 2008
2000 Volkswagen Beetle GLS 1.8L MIL Lamp on VIN: 3VWCD21C3Y
P0411: Secondary AIR Flow. ... engine light on,code P0411 checked it out the pump was bad call customer with estimate. The customer purchase her own parts(this was in March) 3 Months later she back with the same code,bad pump again replace the pump check for voltage drop no problem.Toda...
July 23, 2008