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, ...

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.

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

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 ...

Misfiring, rough idling, poor acceleration, and decreased fuel efficiency — the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...

Not every driver knows how often they need to change spark plugs in their car. The frequency is determined by many factors, such as the material from which the center electrode is made, the operating ...