P0411 Diagnostic Trouble Code Discussion for April 2014
Secondary AIR System Incorrect Airflow Detected
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| Help Request | Posted | |
| 2006 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS13S26 P0411: Secondary AIR System Incorrect Airflow Detected. I got this trailblazer in from another shop where they had be shotgunning parts at it. Has a hard PO411 every time the system test runs. Baro reads atmospheric at 14psi as does the air pressure sensor static or running. When I activate the air pump with the so... |
April 08, 2014 |
