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 ...

Replacing spark plugs is an essential and moderately simple task. However, to make the process even smoother, you'll want the ...

Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.

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 ...

Q. What is the purpose for the heat range of a spark plug? This question came up with me and my neighbor. J.K., Pittsburgh A. No need for a heated debate. First, “heat range” has nothing to do with ...