fuel injection

American  

noun

1. the spraying of liquid fuel into the cylinders or combustion chambers of an engine.

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fuel injection British  

noun

1. a system for introducing atomized liquid fuel under pressure directly into the combustion chambers of an internal-combustion engine without the use of a carburettor

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Other Word Forms

• fuel-injection adjective

Etymology

Origin of fuel injection

First recorded in 1895–1900

Example Sentences

The college has offered the training for decades, and its Automotive and Related Technology program has evolved with industry changes — including the advent of fuel injection, airbags and the rise of electric vehicles.

From Los Angeles Times • Jan. 6, 2026

The rest will go for tools to make intake manifolds and fuel injection rails for the new V8.

From Seattle Times • Jan. 20, 2023

Makers of mufflers, fuel injection systems and other parts could go out of business, leaving many workers jobless.

From New York Times • Feb. 8, 2022

Obviously, MMA gym owner Adam Wyatt wants the participation rates to increase with McGowan’s fuel injection.

From The Guardian • Sep. 27, 2016

Woolson stated that his system prevented pressure waves, which interfered with the correct timing of the fuel injection, from forming in the tubing.

From The First Airplane Diesel Engine: Packard Model DR-980 of 1928 by Meyer, Robert B.