P0411 Diagnostic Trouble Code Discussion for May 2007
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 1999 Cadillac Catera 3.0L Surge VIN: W06VR52R3X P0411: Secondary Air System Malfunction. tested relay and fuse, jumped relay works fine. disconnected vacumm solenoid, verified vacumm and air flow. Jumped relay again and verified air flow to engine by 02 stats. snap-on mt2500 no ability to activate from scanner. Intermittently hear sec AIR motor ru... |
May 10, 2007 | |
| 1999 Volkswagen Beetle GL 1.8L MIL Lamp on VIN: 3VWDD21C8X P0411: evap. faulty purge flow. ... after two or three drive cycles. It usually sets the p0441 [faulty flow] first [after 3-4 drive cycles] and the p0455 [large leak] code several days later. We inspected all the hoses carefully and also the canister but could find no obvious problems. Teste... |
May 29, 2007 |
