We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...

In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

Swapping out spark plugs is, next to changing your oil, one of the most basic, straightforward bits of maintenance you can perform on your car. Spark plugs go bad over time, so it's important to keep ...

If your lawn mower runs on gas, then you've got a spark plug tucked inside the engine that plays a bigger role than you might think. Spark plugs are what fire up the engine in the first place. They ...

Changing spark plugs is standard maintenance on gasoline-powered cars. While you could clean and reuse old ones, it's not ...