P0411 Diagnostic Trouble Code Discussion for August 2013
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge, Misfire VIN: WVWMA23B1Y P0411: Secondary air injection incorrect flow detected. Customer complaining that the SES light is on, car stalls sometimes and running really bad when first started. Pulled the listed codes. Started car and when AIR pump is running the idle surges, there is what sounds like small backfiring in the air cleaner, and... |
August 08, 2013 | |
| 2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge, Misfire VIN: WVWMA23B1Y P0411: Secondary air injection incorrect flow detected. Customer complaining that the SES light is on, car stalls sometimes and running really bad when first started. Pulled the listed codes. Started car and when AIR pump is running the idle surges, there is what sounds like small backfiring in the air cleaner, and... |
August 12, 2013 | |
| 2002 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M02 P0411: 16795 - Secondary Air Injection System Incorrect Flow Detected. ... codes P0411 / 16795 for incorrect secondary injection air flow, and P1136 / 17544 for intermittent lean fuel condition. Checked IATN archives and performed what was found on the related cases. Activated the air pump with the scan tool and it operates norma... |
August 14, 2013 | |
| 2003 Saab 9-3 Vector 2.0L MIL Lamp on VIN: YS3FF46YX3 P0411: Secondary Air Injection Insufficient flow. Seen a million times. Air pump or check valve. This one was different. Blocked passages in the manifold and or head behind the exhaust valves. Before my tech pulled apart, I wanted to try and clean it out. Let car sit for a week and dumped some Motorvac concen... |
August 30, 2013 |
