P0411 Diagnostic Trouble Code Discussion for January 2005
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 1997 Volkswagen Jetta GLX 2.8L MIL Lamp on VIN: 3VWTD81HBV P0411: Incorrect Secondary Air Flow. I normally do not work on VWs, but got stuck with this one. It is setting a PO411 Incorrect secondary air flow. There is 14 volts to Secondary Pump motor and it is drawing 25 amperes. After 15 seconds it starts making a loud noise, so the pump will be replaced... |
January 12, 2005 | |
| 2000 Volkswagen Beetle GL 1.8L MIL Lamp on VIN: 3VWCC21C11 P0411: insufficient air injection flow. PO411 recurring, insufficient air injection flow. Have smoke tested, replaced all vacuum lines and rechecked. Tested combination valve for air injection, flows only one way when vac applied, closed when no vac. Vac switchover supply solenoid opens with activat... |
January 24, 2005 | |
| 1998 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWMD63B3W P0411: Secondary Air Injection System. Need some help from you VW guys. This Passat came in w/ PO411 code. Secondary pump was locked and fuse was blown. Replaced pump and fuse and pump ran for start up (60 sec) and we thought all was well. Came back in 3 wks w/ same code, but now pump runs, fuse wa... |
January 31, 2005 |
