Regardless of the type of spark plug used by your car, chances are high that without proper engine maintenance, you could experience spark plug fouling. Fouled spark plugs cause misfires, rough idle, ...

The spark plugs in a gasoline engine are not universal, one-size-fits-all components. Plugs are made of a variety of materials with different electrode setups and thread configurations, and knowing ...

For the average stocker in good running condition, spark plug selection is a cinchchoose whatever brands on sale, look up the plug part number in the catalog, and go down the road. At the opposite ...