There are three things a gasoline engine needs: air, fuel and spark. The spark plug ignites the air/fuel mixture, producing the combustion that powers the engine. Despite the fact that spark plugs ...

Spark plugs are a mission-critical part of a gasoline engine's ignition system. Without them, there's nothing to ignite the air-fuel mixture in each cylinder. Craig brought 15 years of automotive ...

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We may receive a commission on purchases made from links. Most manufacturers suggest spark plugs (and wires, if you're being thorough) be replaced between 30,000 and 100,000 miles depending on the ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

The automotive world has evolved in such a way that engines require spark plugs of a specific type. Using the wrong kind can lead to misfires and inefficiency, especially because spark plugs also come ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...

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