electronic fuel injection

electronic fuel injection
(EFI or EFi) A system that injects fuel into the engine and includes an electronic control unit to time and meter the flow. Fuel is delivered in intermittent pulses by the opening and closing of solenoid-controlled injectors. Also called pulsed injection

Dictionary of automotive terms. 2015.

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  • electronic fuel injection — noun the electronically controlled injection of volatile fuel and air into a combustion engine, this system commonly used in vehicles in place of the earlier system using a carburettor. Also, EFI …  

  • sequential electronic fuel injection — (SEFI) a computer controlled fuel system that distributes fuel through an injector located in each intake port of the engine. Each injector is fired separately and has individual circuits. Also called sequential fuel injection (SFI) …   Dictionary of automotive terms

  • Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …   Wikipedia

  • fuel injection — (FI) A fuel system that uses no carburetor but sprays fuel either directly into the cylinders or into the intake manifold just ahead of the cylinders. It uses an electronic sensing device to deliver the correct amount into the combustion chamber …   Dictionary of automotive terms

  • Fuel injection —   A fuel delivery system whereby gasoline is pumped to one or more fuel injectors under high pressure. The fuel injectors are valves that, at the appropriate times, open to allow fuel to be sprayed or atomized into a throttle bore or into the… …   Energy terms

  • electronic gasoline injection — (EGI) Mazda s fuel injection system for the RX 7, RX 7 Turbo, 323, and 626 …   Dictionary of automotive terms

  • Mechanical fuel injection — Basic Concept of Mechanical Injection All forms of fuel injection (FI) are designed to achieve the delivery of a correct fuel/air mix into an internal combustion engine for the most fuel efficient burn. All forms of fuel injection do so by… …   Wikipedia

  • Programmed fuel injection — Programmed Fuel Injection, or PGMFI/PGM FI, is an electronic fuel injection system initially developed by Honda more than 20 years ago. This system has been applied to Honda motorcycles, Formula 1 and racing cars, as well as… …   Wikipedia

  • sequential fuel injection — (SFI) A computer controlled fuel injection system in which bursts of gasoline are sprayed into the intake ports by injectors at timed intervals. Each injector is fired separately and has individual circuits. Also called timed fuel injection or… …   Dictionary of automotive terms

  • digital fuel injection — (DFI) a GM system, similar to earlier electronic fuel injection system, but with digital microprocessors. Analog inputs from various engine sensors are converted to digital signals before processing. The system is self monitoring and self… …   Dictionary of automotive terms

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