The secondary air injection system flow is not as expected.
Informational only. Consult a qualified mechanic.
Inspect and clean or replace secondary air system components.
The P0411 OBD-II diagnostic trouble code (DTC) indicates: secondary air injection incorrect flow. This is a low-severity powertrain code that your vehicle's onboard diagnostics system triggers when the secondary air injection system flow is not as expected. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
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