Spark plugs are critical components of any gasoline engine, but since they ignite the compressed mixture of fuel and oxygen millions of times during their lifespan, they eventually cease to fire and ...

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.

Engine behavior changes as spark plugs wear, with symptoms like misfires and rough idling. But what causes them to wear down ...

Removing a broken spark plug can pose a significant risk to the integrity of your engine, particularly in Ford’s 3-valve ...

In the early '70s, Mopar changed the concept of a tune-up with the introduction of the breakerless, capacitor-discharged ignition system. Thus began the evolution of electronic engine controls. since ...

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars — ...