Side gapping a spark plug means shortening the ground electrode in order to give the flame a more direct path to the air/fuel ...

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 ...

Spark plugs play a highly significant role in the overall functioning of a vehicle. Without well-functioning spark plugs, a vehicle may not operate properly or at all. This article explains all ...

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.