The space, or gap, between the center and side electrodes needs to be an exact distance across; otherwise, your plugs don't fire efficiently. Adjusting the distance between the two electrodesis called ...

Much like the spark plugs that are specific to any given engine, the spark plug wires or coil packs that ignite the plugs are not universal. Spark plugs come in many types, sizes, and tip shapes, 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 ...

Have you ever put much thought into the specifics of your car's ignition system-above and beyond the simple fact of whether it's working or not, that is? More specifically, how about those spark plug ...

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 ...

Even the world's finest ignition wires are at the mercy of two things:the ignition system and, of course, Mother Nature. As ignition powerbecomes stronger and spark-plug gaps increase, the chance of ...

Older vehicles with distributor-type ignition systems use ignition (or spark plug) wires to send electrical current from the distributor to individual spark plugs, with the timing based on their ...

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 ...