Electric throttle body for 2002 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. HIGH PERFORMANCE- Aintier's electric throttle controls the throttle opening in real time by adding corresponding sensors and electric control units, which helps to improve the security, power, stability and economy of the car.. IMPROVED ENGINE PERFORMANCE- At idle, the throttle is maintained at a very small opening angle to stabilize combustion, improve fuel economy.. SAFE DRIVING PROTECTION - Electric throttle control system achieves the best torque output of the engine to ensure the security of driving..
