P0411 Diagnostic Trouble Code Discussion for November 2007
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2002 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWVD63B22 P0411: low secondary air flow. when i first checked secondary air pump by jumping out at relaythe pump was stuck banged on the pump and freed it up.Ever since then whenever the code returns i check the pump and it works fine.I changed the relay,checked the hoses and checked the grounds and ... |
November 12, 2007 |
