The intake manifold bolts to the cylinder head and channels fresh air and fuel to the engine's intake ports. Intake manifolds usually feature a series of tubes, called runners, which travel from the intake ports to a larger tube or box called a plenum. This helps balance the flow of air.
Intake manifolds sometimes contain components that supply fuel to the engine, like fuel injectors, as well as sensors that are used to monitor how the engine is running and how much fuel it needs.
Controlling the flow of air in to the engine, and consequently its speed, is … Read more