P0411 Diagnostic Trouble Code Discussion for May 2023
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2009 Pontiac G6 2.4L MIL Lamp on VIN: 1G2ZG57B29 P0411: secondary air insufficient. Hello, this came in for a p0411, I checked the air pump and it seems to be delivering adequate airflow. It throws a p0411 consistently, I replaced the check valve assembly with a dealer part. Is there a common fault with these that can cause this code? I r... |
May 21, 2023 |
