P0411 Diagnostic Trouble Code Discussion for March 2009
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 1996 Volkswagen Passat GLX 2.8L MIL Lamp on VIN: WVWEE83AXT P0411: secondary air problem. ... engine light on and code p0411 stored. I checked the usual causes for this code. Including the fuse on the relay and the relay. They both check good. I powered up the pump motor from the relay terminals, the pump runs and has good vaccum at inlet. There is... |
March 02, 2009 | |
| 2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSC29M61 P0411: 16795 Secondary air injection incorrect flow detected. ... code. It shows up first, quickly followed by the P1557 code. I checked for TSB's and read the archives. The relay, fuse and changeover valve are good. I smoke tested for vacuum leaks and found none. I relaced the vacuum hos... |
March 23, 2009 |
