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Why is the diesel engine so much noisier than a gasoline engine?

April 26, 2017diesel engine gasoline noisier

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Posted

Why is the diesel engine so much noisier than a gasoline engine?

2 Answers

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Anonymous Posted

the deisel engine is louder because of the way it combusts. the conventional gasoline motor uses a sparkplug to ignite the fuel but a deisel engine only has glow plugs to warm the engine and it uses hot air and compresses it until the fuel and air finally combust which would obvously be much louder than a normal spark and flame

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Posted

Note: the P7100 fuel injector pump is quite noisy in operation, and a fair percentage of the noise produced under the hood of 94+ 12 valve engines is from the injector pump.