Spark plug gapping may sound like one of those old-timey chores, like setting breaker points in a distributor or lubricating the frame, but having the proper spark plugs and ensuring they're properly ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Q: In a recent column you responded to R.W. from Minnetonka, Minn., that he should not need spark plug replacement of the platinum tipped plugs until the manufacturer recommended 60,000 miles. One ...

There are a lot of different types of spark plugs out there, but they all do one job, which is igniting the air-fuel mixture inside the cylinders. A shiny new spark plug does that consistently at the ...

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 plug lifespan depends on the electrode material. Copper plugs last 20,000 to 30,000 miles, platinum plugs last aro ...