fuel injection

noun

: a usually electronically controlled system for injecting a precise amount of atomized fuel into the cylinders or the intake airstream of an internal combustion engine
fuel-injected
ˈfyül-in-ˈjek-təd How to pronounce fuel injection (audio)
adjective

Examples of fuel injection in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Regarding the fuel injection setup, look for leaks and check fuel pressure. — John Paul, The Providence Journal, 6 Mar. 2026 The motor is linked with a CVT transmission and Bosch fuel injection. — New Atlas, 7 Sep. 2025 Here's how to stay safe Carfax said modern cars use electronic fuel injection instead of a carburetor. — Jalen Williams, USA Today, 11 Nov. 2025 The extreme conditions place tremendous stress on materials and components, while demanding highly precise fuel injection systems that can operate in less than a millisecond. — Georgina Jedikovska, Interesting Engineering, 18 May 2026 See All Example Sentences for fuel injection

Word History

First Known Use

1900, in the meaning defined above

Time Traveler
The first known use of fuel injection was in 1900

Rhymes for fuel injection

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Browse Nearby Words

fuel filter
fuel injection
fuel injector
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Cite this Entry

“Fuel injection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuel%20injection. Accessed 7 Jul. 2026.

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More from Merriam-Webster on fuel injection

Britannica.com: Encyclopedia article about fuel injection

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