Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Spark plugs are the heart of your car’s ignition system. If yours are worn out, ...

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 ...

See how to replace your spark plugs here. If your spark plugs are worn out, new ones can dramatically improve your performance. Doing it yourself is easier than you think. Make sure the prop rod is ...