Performing regular maintenance on your vehicle can save you a lot of trouble, and this is especially true for spark plugs if you notice they have oil on them.

Spark plug indexing won't make much of a difference in your average stock car, but it can have a noticeable impact in ...

Checking out your spark plugs is a great way to understand the general state of your ignition system. What does it mean if ...

Spark plugs are the crucial aspect of getting the whole internal combustion process started. What does it mean if a spark ...

The spark plugs inside your car's gas engine are remarkably durable and could last for dozens of oil changes before needing to be replaced. For components that withstand intense heat, pressure, ...

As you may know, spark plugs play a very important role inside a gasoline internal combustion engine. Since they are a key player in the combustion event, the chances of them getting degraded are ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

Even the best spark plugs can degrade over time, and one of the best ways to check a plug's condition is by examining the tip. A white tip, especially one that looks chalky or scorched, can indicate ...

Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and why it works.

We earn commissions from purchases you make using links in our articles. Learn more. You’re likely aware that in order to keep your vehicle running in great shape, you’ll need to replace the spark ...

A Honda Fit owner hired a mobile mechanic to replace the spark plugs and repair some damaged threads. What followed was a much bigger problem. The mechanic allegedly got a tool stuck inside the engine ...