If there is a component on a Pontiac engine that gets little or no thought, it's the spark plug. We refuse to spend much money or time on them, but unless your Pontiac is powered by a GM diesel, the ...

Today, spark plugs are pretty easy to forget. In new Corvettes, theyseem to last forever. That wasn't the case years ago and, frankly, sparkplugs are often critical when it comes to performance and ...

A petrol engine needs three things in order to function properly: air, fuel and a spark. The spark plug ignites the air/fuel mixture, producing the combustion that powers the engine. In January 2002, ...