Fitment: For Chevrolet Trailblazer 4.2L 2002 For Chevrolet Trailblazer EXT 4.2L 2002 For GMC Envoy 4.2L 2002 For GMC Envoy XL 4.2L 2002 For Oldsmobile Bravada 4.2L 2002 Package Included: 1*Throttle Body Features: The throttle body regulates the amount of air entering the engine, which is crucial for maintaining the proper air-fuel mixture needed for combustion. By controlling the airflow, it directly impacts the engine's power and speed. What happens when throttle body goes bad? .
