Check, replace and maintain the spark plugs in your car or motorcycle with this easy guide.

How to test a spark plug Although this is something you can certainly leave up to the professionals, it’s also simple enough to do at home.

Although the definition of spark-plug gap is intuitive for those who know what plugs are, we feel an explanation is good and necessary information for rookies, and a solid refresher for the OGs.

Testing the new Brisk premium spark plug line in a 2003 Cobra, brought to you by 5.0 Mustang & Super Fords Magazine.

Removing a spark plug from a Lawn Mower engine is part of essential maintenance for your mower, and our step-by-step guide shows you how to carry this task out safely and efficiently.