P0411 Chevrolet -

Question

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 ?

Answer 1

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.