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2010 Chevy Impala, LS.....Check engine light with P0411 Code. " Secondary Air Injection Incorrect Flow Detected". No engine symptoms noticed , Running fine. What is the needed repair ? Any ideas ?

Vehicle: 2010 Chevy Impala, LS, 3500 Engine

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Hi there,

Typically the repair is replacement of the secondary air injection pump. Because this is an emissions issue you would not notice anything wrong with the way the engine is running.

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