What does the acronym "EFI" stand for?

The acronym "EFI" stands for Electronic Fuel Injection. This system is crucial in modern automotive engines as it manages the amount of fuel injected into the engine cylinders, optimizing combustion for improved performance, fuel efficiency, and reduced emissions. EFI systems use electronic sensors and an onboard computer to determine the correct fuel-air mixture needed for various operating conditions, replacing the older carburetor systems.

Electronic Fuel Ignition, Enhanced Fuel Injection, and Electric Fuel Indicator, while they contain terms related to fuel and ignition systems, do not accurately reflect the established terminology used in the automotive industry for fuel delivery systems. "Electronic Fuel Injection" specifically describes the technology that controls fuel delivery, making it the correct interpretation of the acronym EFI.