If you've decided that you can get at your spark plugs without damaging your vehicle, assemble the items you need before you begin: Never change just a few plugs; it's all or nothing for even engine ...

One of the best ways to gain automotive knowledge is simply by asking the two-word question: “What is (a part, theory, thing)?” and locking in the definition after it is given. We’ll take a flier and ...

You can (and should) actually read your spark plugs for valuable "clues" about how your engine is operating. To read your spark plugs, follow these steps: 1. When you get the first spark plug out of ...

Spark plug gapping may sound like one of those old-timey chores, like setting breaker points in a distributor or lubricating the frame, but having the proper spark plugs and ensuring they're properly ...

Spark plugs are an essential part of your engine’s operation. When your engine fires, it’s the spark that causes the ignition cycle to begin. Over time, spark plugs wear out and should be replaced. If ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...