Replacing your spark plugs is important and usually a fairly simple process, but if they seize in the cylinder heads it's an entirely different matter.

Almost every lawn mower owner has experienced the frustration of pulling the starter cord repeatedly only to have it sputter — or even worse, not start at all. While fuel issues, a dirty carburetor, ...

Spark plugs play a key role in keeping your engine running, since it's that little jolt of electricity that ignites the fuel/air mixture in a motor's cylinders. And that little spark has to be ...

We may receive a commission on purchases made from links. Spark plugs have come a long way, as they're more durable and reliable than ever before. In fact, unlike most air filters and fluids that do ...

There have been many snake-oil automotive products over the years, promising to deliver better performance and fuel economy, and nearly all were based on science as shaky as that of the mythical ...