There are many components in a car that help it run. It's not just the engine doing all the work, and it would be useless if there wasn't anything there to ignite the air/fuel mixture that causes the ...

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

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.