How do you repair code P0411 on a 07 Chevy Cobalt?

The P0411 code on a 2007 Chevy Cobalt indicates an issue with the Secondary Air Injection System, often due to a malfunctioning air pump, clogged hoses, or a faulty check valve. To repair it, start by inspecting the secondary air pump for proper operation and look for any blockages in the hoses. Additionally, check the electrical connections and fuses related to the air injection system. If necessary, replace any faulty components and clear the code with an OBD-II scanner to see if the issue persists.