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 ...

Spark plugs are an integral part of your engine, but they need to be replaced every so often. We'll tell you how to find out ...

Spark plug testers will only help you figure out issues related to spark plugs. Does that make them useless, or is there a ...

If you are the owner of a Ford truck with a three-valve (3V) modular V-8 or V-10 engine built from 2004 thru 2007, you have either faced the misery of broken spark plugs-or you will. The Ford 4.6L, ...