Spark plugs play a pivotal role in your vehicle's performance, but can changing them improve fuel economy? Here's everything ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily overlooked but extremely important to your car's safety, longevity, and performance.

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 ...

Subaru recommends changing the spark plugs at 100,00 kilometres or five years ... Preform an internet search for Ford pickup spark plug breakage and read decade-old scary stories of cab-off ...

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 ...

No, diesel engines do not use spark plugs. Instead of relying on physical ignition of the fuel, they run on a compression-based explosion to combust the diesel fuel. To understand how this works ...