GM Repair Problems? Ask GM Repair Expert Now.
Yes , without the air pump working it will affect the emissions and fail inspection.
Secondary Air Injection (AIR) System Description
The Secondary Air Injection (AIR) System reduces exhaust emissions following initial engine start up. This occurs when the engine Start-up coolant temperature is between 3–50°C (37–122°F) and the intake air temperature (IAT) is more than 1°C (32°F). The AIR pump will operate until Closed Loop operation is achieved.