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, ...

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

How often you change the spark plugs in your car depends on the recommendations of its manufacturer. Typically, it'll be somewhere around the 100,000-mile mark for new vehicles, but it could be much ...