Spark plugs have a pretty predictable life cycle, but ignition coils can be harder to track. Here's how to tell if an ...

Just like cars, lawn mower engines need their spark plugs changed on a regular basis. How often should you swap the old ones ...

Let's say you've just removed an old spark plug. Does it have any life left in it? Can it be reused if it is cleaned properly? Let's take a closer look.