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A gas engine ignites gasoline in the piston chamber with a spark from a spark plug. The expanding gas then pushes the piston out and the motor moves forward.

A diesel engine uses diesel fuel, different from gasoline, and the fuel is compressed by the piston until it ignites, sending the piston out. There are no spark plugs in a a diesel engine.

Some diesel engines will have "glow plugs" which are used to initially start the engine but once started, compressing the fuel is the method of ignition.

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Q: How is a gasoline engine different from a diesel engine?
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Is it legal to swap from gas to diesel?

You cannot burn diesel fuel in a gasoline engine period. A gasoline engine will not run on diesel. So legality is a mute point. A gasoline engine and diesel engine are totally different in design and the way fuel is burned. The fuels are not interchangeable.


Can you use diesel oil in gasoline engine?

NO, do not use diesel oil and a gasoline engine.


Why you cannot use diesel in petrol engine?

A gasoline engine will not run on diesel and a diesel engine will be destroyed if you run it on gasoline. Click the link.


How is maintenance different for a gasoline and diesel cars?

The main reason is that the way Diesel and Gasoline engines works is complete different, the gasoline needs a spark to explode and generate movement. The diesel explodes with pressure, the pressure of the fuel on the cylinder is what makes the explosion, so in a diesel engine you don't need an electric system to generate a spark. The compression in a diesel engine is a lot higher that a gasoline engine. All diesel engines have diesel injectors, gasoline engine works with injectors and carburators. Because of all this differences and more the maintanence is different, oil change periods, air filters, fuel system, electric system, belts, valves.........


What will happen if you mix diesel and gasoline?

Mix diesel in a gasoline engine and it will stall or run very poorly depending on how much you mixed in. Mix gasoline in a diesel engine and you will have engine damage.


Can regular engines run on diesel fuel?

Gasoline engines cannot run on diesel. Only a diesel engine can run diesel. And a diesel engine cannot run on gasoline.


What will happen if premium gasoline is put into a diesel engine?

If you're asking what will happen if you put gasoline in a diesel engine, the engine will be destroyed if you run it on gasoline.


Which engine is more efficient diesel engine or gasoline engine?

Diesel engines are more efficient than gasoline engines.


Is it possible to run diesel engine by gasoline oil. if possible then afterward what will happen?

No, putting gasoline in a diesel will destroy the diesel engine.


Gasoline in diesel engine?

Gasoline engine is an internal combustion engine where a diesel is an internal compression engine. Gasoline is highly flammable and explodes when an electrical spark is applied to it where diesel explodes when it is put under pressure


Can you turn a gasoline engine to a diesel engine?

Not really. You could start over and redesign an engine to be able to run on diesel but it would be completely different from the original.


What happens if petrol is used in diesel engine and vice versa?

If gasoline is used in a diesel it will damage the engine. If diesel is used in a gasoline engine it will do no real damage as the engine will not run.