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

See Examples For:

fuel injection

Broadly similar to the iron-block boat anchors that powered ’60s-era Triumphs, MGs and other British legends, Mazda’s four-banger has an aluminum block; dual overhead cams with four valves per cylinder; and electronic fuel injection.

From The Wall Street Journal ● May 23, 2026

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

Chips have become a critical component in automobiles, powering devices ranging from fuel injection to entertainment systems.

From Reuters ● Dec. 13, 2021

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 Robert B. Meyer