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, ...

Spark plugs are small car components, but they play an oversized role in keeping your engine running. It's critical to know when they need replacing.

Spark plugs. Those pricey little fire-starters screwed into each cylinder can tell you much about the health of your engine and perhaps about your operating technique. Like anything else, learning to ...