You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...