Key sensors include the Mass Air Flow (MAF) sensor, which measures the volume of air entering the engine, and the Manifold Absolute Pressure (MAP) sensor, which monitors air pressure. The ECU ingests data from all the connected sensors, comparing this real-time information against a pre-programmed map of optimal settings stored in its memory.
Understanding Pulse Width in Your EFI System
The Control Unit, The System's Brain At the heart of the EFI system is the Engine Control Unit (ECU), a robust computer that serves as the system's brain. Advantages Over Traditional Carburetors The transition from carburetors to EFI systems marked a significant leap in automotive engineering.
This electronic control mechanism ensures the optimal air-fuel mixture is combusted at the exact right moment, which directly translates to enhanced power, superior fuel efficiency, and significantly reduced emissions. Furthermore, an ignition control module works in tandem with the ECU to determine the exact moment a spark plug should fire, ensuring the air-fuel mixture is ignited for maximum power.
Understanding Pulse Width in Your EFI System
Another configuration is Throttle Body Injection (TBI), which resembles a traditional carburetor by placing one or two injectors in the throttle body. The most crucial actuator is the fuel injector, an electronically controlled valve that sprays a fine mist of fuel directly into the intake manifold or combustion chamber.
More About What is an efi system
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