Why are diesel car engines so much louder than petrol, they sound like tractors?

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Why are diesel car engines so much louder than petrol, they sound like tractors?

In: Engineering

4 Answers

Anonymous 0 Comments

A lot of the noise of a traditional diesel engine is actually from the injector pump.

Here is a mechanical fuel injection pump being driven by an electric motor on a test machine to measure the fuel output to each injector and make sure it is set up correctly.

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