fuel injection

American  

noun

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

---

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

---

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

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

From Reuters • Dec. 13, 2021

It comes standard with a more powerful 152-horsepower 2-liter direct fuel injection engine paired with a continuously variable transmission or a six-speed manual.

From Seattle Times • Sep. 5, 2017

In the 1990s, Volkswagen, Mercedes and BMW were the first to combine computer technology, fuel injection and turbocharging to make diesels quieter and cleaner than the smoking, rattling diesels of old.

From New York Times • Jul. 25, 2017

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.