The throttle body is usually located between the air filter box and the intake manifold, and it is usually located near the mass airflow sensor.

节气门体之间通常是位于空气滤清器箱和进气歧管，通常是位于大规模气流传感器。冷空气摄入量和它如何运作的。

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Based on the black box data, NHTSA investigators found that the brake was not engaged and the throttle was wide open, according to a person familiar with the matter.

WSJ: Crash Data Suggest Driver Error in Toyota Accidents