Difference Between the Spark Plug and Fuel Injector
- Spark plugs and fuel injectors are two different components that work to keep your engine running. Both of these components are very important for the proper functioning of an engine, but their functions are quite different.
- Both spark plugs and fuel injectors can wear out over time, so it’s important to keep them maintained properly.
- Spark plugs are used to ignite the air/fuel mixture in the combustion chamber. They are made of an electrode.
- Fuel injectors, on the other hand, are devices that regulate the amount of fuel entering the combustion chamber. Fuel injectors do not ignite air/fuel mixture; they only regulate it before it enters the combustion chamber.
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The Main difference between Spark Plug and Fuel Injector are explained as follows:
Spark Plug:
- Spark plugs are designed to create a spark that ignites the air-fuel mixture when it enters the combustion chamber.
- Spark plugs convert high voltage electricity into high-energy sparks that ignite the air/fuel mixture.
- A spark plug has no internal components.
- Spark plugs are made of copper.
Spark Plug
Fuel Injector:
- Fuel injectors deliver an even mix of air and fuel into the engine.
- Fuel injectors spray fuel into the combustion chamber to help increase power output of engines.
- A fuel injector has internal components like nozzle assembly, seal plate, needle seat, etc… while fuel injectors use aluminum or nickel-plated steel
- Fuel injectors do not ignite air/fuel mixture.
Spark Plugs & Fuel Injector are used for different applications so it is essential to have an understanding of each one of them.
