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P0411 Diagnostic Trouble Code Discussion for November 2019

Secondary AIR System Incorrect Airflow Detected

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Trouble Ticket Help Requests for DTC P0411
Help Request Posted
2014 Chevrolet Equinox LT 2.4L MIL Lamp on VIN: 2GNFLGEK0E
P0411: Secondary air injection fault. ... 2.4l, I retrieved code P0411, when through testing and system appears to be working normally, I removed both secondary air injection solenoids and I am able to command the pump on and I have good air flow from both, (Mitchell shows only one solenoid b...
November 11, 2019