fuel injectors
Combustion chamber feeders
Fuel injectors are devices that spray precisely metered amounts of fuel into an engine's combustion chambers or intake manifold.
They replaced carburetors in most vehicles by the 1990s, offering better fuel efficiency and emissions control.
When fuel injectors get clogged or fail, the engine runs rough or loses power: The mechanic said my fuel injectors need cleaning.
- pistonReciprocating cylinder component
- sprayDispersed liquid droplets
- throttle bodyEngine airflow metering device
- intake manifoldAir distribution component
- cylinder headEngine's upper closure
nozzle · pressure · atomize · clogged · check engine light · cold start · flow · stoichiometry · engine tuning · gasoline · pintle · engine · duty cycle · combustion · spark plugs · ignition timing · pulse · octane
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engine component function
fuel injectorsexhaust valves
Engine's emission release mechanisms
exhaust manifold · catalytic converter · tailpipe · exhaust system · muffler