Critical components used in manufacturing the electronic throttle body, including the housing, throttle plate, position sensors, throttle actuator motor and throttle plate return spring conform to precise O.E. dimensions. Each throttle body is tested for all critical functions, including response time and air flow at multiple points, ensuring an optimal fuel/air ratio. Full computerized testing of motor, throttle position sensor and articulation ensures reliable and consistent performance. Each unit is guaranteed to fit and function like the original.