Fitment: Kia Forte 2.0L 2.4L 2010-2013 Package includes: 1x Complete Throttle Body w/Sensor What is a car throttle body ? A throttle body is a component of the internal combustion engine that controls the flow of air and fuel into your car's cylinders. It's located in line with the intake manifold, which draws air from outside the engine to be mixed with gasoline and injected into each. How to replace a throttle body? 1.Locate Throttle Body Open the hood to locate the throttle body. It will be connected to the air filter box with a large hard plastic tube. You may need to remove an engine cover to see it. .