In racing, spark plugs are practically a disposable commodity. Use them for a while and throw them away. If the engine starts acting funny, replace the plugs just in case. It's cheap insurance and ...

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 ...

I had spark plugs changed in my car. The manual states replace the spark plugs at 60,000 miles. I had it done when the car ...

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, ...

Ever had that nagging feeling that something’s just not quite right with your car? Maybe […] ...

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

Whether you service your own ignition or need more troubleshooting savvy for road rallies and cruising, this month's lesson focuses on spark and ignition system basics. Understanding ignition ...

In the “don’t try this at home” category, [Joe Smith] builds a spark gap transmitter with a twist. The twist is that the drive power is from a signal generator attached to a FET. From there, though, ...

It doesn't matter what type of vehicle you drive or which type of spark plug you're using. If your car has an internal combustion gasoline engine, it has the potential to eject a spark plug — although ...

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

Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing ...