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Automotive glossary: What is a Diesel Engine?

Definition of Diesel Engine: The diesel engine so to speak is a self igniter, i.e. the gasoline air mixture is not being brought to explosion by a spark, but ignites through its own heat build-up, brought about by the compression of the gas, when the piston is is pushed up in the cylinder by the crank shaft. The fuel is fed by an injection system. To inhibit the diesel fuel from condensing at the still cold combustion chamber surfaces, the combustion chamber is preheated by heater plugs before starting. Apart from that, the diesel engine is more or less identical with the gasoline engine.

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