Which device that provides forced induction is included in the visual inspection list?

• A. Superchargers
• B. Radiator Cap
• C. EGR Valve
• D. Fuel Tank

Answer: (A)

Forced induction devices increase the amount of air entering the engine, which can change how the engine runs and its emissions. In the visual inspection part of the smog program, inspectors check for such components because modifications here can affect emissions testing results. A supercharger fits this role perfectly—it’s a belt-driven compressor that forces more air into the engine, representing a classic forced-induction device that might be present on a vehicle and thus appears on the inspection list.

The radiator cap is part of the cooling system and doesn’t affect air intake or boost. The EGR valve is about recirculating exhaust gases to reduce NOx, not boosting air into the engine. The fuel tank stores fuel, with no relation to air induction. So the option that aligns with forced induction and is included in the visual inspection list is the supercharger.