Definition

Noun: A fuel injection system is a precise mechanical method for delivering atomized fuel directly into the combustion chambers (cylinders) of an internal combustion engine. This technology supersedes the older carburetor system by providing more accurate fuel metering and improved engine efficiency.

Usage

The term fuel injection is used as a non-count noun to describe the technology or system as a whole. It is commonly modified by adjectives specifying its type (e.g., direct, electronic, port).

Examples

• Modern cars almost universally use fuel injection for better performance and lower emissions.
• The mechanic diagnosed a problem with the fuel injection system.
• Direct fuel injection allows for more precise control of the fuel-air mixture.

Advanced Usage

• "to be fitted with fuel injection": Describes a vehicle equipped with this system.
  • The latest model is fitted with advanced electronic fuel injection.

Variants and Related Words

• Fuel injector (n): The specific nozzle or valve component that sprays the fuel into the cylinder.
  • A clogged fuel injector can cause engine misfires.
• Fuel-injected (adj): Used to describe an engine or vehicle that uses this system.
  • It's a fuel-injected V6 engine.

Synonyms

• Fuel delivery system: A more general term.
• Injection system: Often understood in an automotive context.

Antonyms

• Carburetion (n): The process or system of mixing fuel and air using a carburetor.
  • Older vehicles relied on carburetion rather than fuel injection.

Noun

1. mechanical system to inject atomized fuel directly into the cylinders of an internal-combustion engine; avoids the need for a carburetor