Where is the throttle of Mazda 3 in 2007?

Engine air intake. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, and the combustion is successful. In 2007, the throttle of Mazda automobile was usually located at the engine air inlet, behind the engine air filter element and in front of the intake manifold.