This guide to choosing a pressure washer lists the pros and cons of gas, corded, and battery pressure washers, and details ...

An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.

Spark plugs are small, cylindrical devices that use electricity to trigger combustion of the gas/air mixture in engines, allowing them to start and continue running. They do this by turning incoming ...