What is a fuel injection throttle body?
What is a fuel injection throttle body? A throttle body assembly is an integral part of a fuel-injected engine's air intake system. Its function is to regulate the amount of air that flows into the engine – accounting for factors such as throttle (gas pedal) position, idle speed, cold start warmup, and more. How does the throttle body injector work in a car? Air is delivered to the engine through the throttle valve. This throttle valve operates like the throttle valve on a carburetor--as the throttle is opened, more air is allowed to enter the engine. Where the throttle body...