A study by the Department of Transportation (DOT) concluded that electronic throttle systems were not at fault in reported cases of unintended acceleration by Toyota vehicles. The DOT used engineers from NASA to examine systems and software in nine Toyota vehicles where the owners of which experienced unintended acceleration.
Toyota's own investigations assigned blame to loose floormats and poorly manufactured gas pedal mechanisms, and issued recalls to fix these issues. Toyota also implemented systems in its vehicles that cut off acceleration when the brake is applied.
Congress asked the government to look into the reported incidents, and the DOT … Read more