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

They’ll also update engine control software to detect a pressure drop in the fuel injection system.

From Seattle Times ● Apr. 10, 2024

A dirty air filter can lead to poorer performance by older model vehicles without fuel injection.

From Los Angeles Times ● Mar. 10, 2022

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

Although Woolson designed the ingenious weight-saving features, Dorner was responsible for the engine’s diesel cycle which employed the “solid” type of fuel injection.

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