Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

If you ever want to start a heated group discussion in a group of auto gear-head DIYers, simply ask what’s the best spark plug to use? As many opinions and reasons will start flying, as if you asked ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...

Spark plugs are essential for gas-powered engines. However, they're not all created equal. Here's what can happen if you use ...

The engine of a car heavily depends on spark plugs, given their role in igniting the mixture of air and fuel in the combustion chamber. A top-notch spark plug ensures that your engine runs smoothly ...

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We may receive a commission on purchases made from links. Spark plugs have come a long way, as they're more durable and reliable than ever before. In fact, unlike most air filters and fluids that do ...

You have to be careful about swapping spark plugs around, but some wrenching enthusiasts might wonder if spark plug wires are ...

A man changing the spark plug on a lawn mower - Fertnig/Getty Images If you own a gas-powered lawn mower, whether it is a compact push model or a giant zero-turn ride-on, there are a few key ...

The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...