Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

If you've ever seen a mechanic draw a tiny line on a spark plug before changing it, they're not performing witchcraft — they're indexing it. The idea is simple. Most standard types of spark plugs have ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily overlooked but extremely important to your car's safety, longevity, and performance.

The automotive world has evolved in such a way that engines require spark plugs of a specific type. Using the wrong kind can lead to misfires and inefficiency, especially because spark plugs also come ...

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 ...