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What 5 things must a gas engine have to run?

A gasoline engine needs these 5 things to run:

1. Fuel (Gasoline): Provides the energy source for combustion.

2. Air: Necessary for combustion with the fuel.

3. Spark: Ignites the air-fuel mixture to create the explosion that drives the pistons.

4. Compression: The engine must compress the air-fuel mixture before ignition to increase the power of the explosion. This requires pistons and cylinders in good working order.

5. Lubrication: Oil is needed to reduce friction between moving parts, preventing damage and overheating.