Check, replace and maintain the spark plugs in your car or motorcycle with this easy guide.

A maintenance routine that includes servicing the spark plugs, air filter and engine oil helps keep your lawn mower running at peak performance.

Proven technology applied in a new way allows this Hyundai ignition system to monitor spark plug wear without a physical inspection.

The fix: Check your spark plug and don't let your car overheat. If you're too late, it's time to head to the auto shop where you'll shell out about $300. 5.

Your car's check engine light is a car's way of telling you something is wrong, so it should never be ignored.