As spark plugs age, the gap can change. Improper gapping can lead to incorrect spark temperatures, which in turn leads to poor combustion (wider gaps mean hotter sparks). To make sure the gap is the ...

A maintenance routine that includes servicing the spark plugs, air filter and engine oil helps keep your lawn mower running ...

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.

In this video, I show you how to test spark plugs and coils on any car, even if the spark plugs are recessed or hard to reach. Whether you're troubleshooting engine misfires, poor performance, or ...

Check and Set Spark Plug Gap: The air-fuel mixture is ignited when a spark "jumps" the gap between the spark plug electrodes. A smaller gap produces a shorter spark, and a larger gap creates a ...

If you've decided that you can get at your spark plugs without damaging your vehicle, assemble what you need before you begin.

Read our expert, in-depth guide on how to check and change spark plugs on your motorcycle with MCN - one of the most important components in any petrol engine.

Perhaps my google-fu is weak today. I have an '88 Honda Accord, and I'm trying to change the spark plugs. I've done several searches but I just can't seem to find any reference as to what to gap ...

Proven technology applied in a new way allows this Hyundai ignition system to monitor spark plug wear without a physical inspection.