Explore the inner workings of various fuel injection systems in this comprehensive 22-minute video. Learn about the evolution from carburetors to modern injection methods, including Throttle Body Injection (TBI), Port/Multipoint Fuel Injection (MPFI), Gasoline Direct Injection (GDI), and Dual Injection systems. Understand the importance of air-fuel ratios, compare the efficiency of different injection types, and discover how each system contributes to engine performance. Gain insights into the components and functioning of fuel injection technology, from single-point to advanced dual-injection setups, to better appreciate the engineering behind modern automotive engines.