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

When most drivers turn the key or press a button to start their vehicle, they’re probably not mentally going through everything that needs to happen in order for their engine to start. And while the ...

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

Spark plugs come in many different types, but they also have many different heat ranges. Here's what that means, as well as ...

Simply put, getting the maximum power from any race engine is a function of the temperature, pressure and timing of combustion gases in the cylinder. Since it would be expensive and impractical for ...

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, ...

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

I bought a 1996 Toyota Land Cruiser last year. A “code PO306″ for “cylinder six misfire” was found by the local Toyota dealer. He swapped the plugs between cylinders five and six, and the misfire ...

It is best to replace spark plugs at the manufacturer's recommended interval, even if they appear clean. Batteries in tire pressure sensors are not replaceable; the entire sensor unit must be changed.

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars — ...