en:Car Terms:M:Main injection IE/EN

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M

Main injection

In modern diesel engines, the fuel is not always injected at one time into the combustion chamber, but depending on the engine speed and load, the injection is divided into as many as four individual injections.

During the main injection, as the name suggests, the main part of the fuel is fed into the cylinder. Before the main injection, the pilot injection takes place; what is known as the post injection terminates the injection process.

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