They may look like your average wires, but spark plug wires have a very important job to do. Their mission is to provide electricity from the car's 12 volt battery to the engine's spark plugs. Without ...

Changing spark plugs is standard maintenance on gasoline-powered cars. While you could clean and reuse old ones, it's not ...

The affordable Jetta S has an excellent set of standard features that make it a compelling lease choice. Looking to lease the entry-level Land Cruiser? We break down the numbers and see if it’s a good ...

While small in size, spark plugs play a pivotal role in how your vehicle performs. However, there are several different kinds ...

A brief underhood inspection confirms that all the vacuum hoses are on and that none of them have been burned open by leaning against the exhaust manifold. You've touched every sensor connection to ...

Unless your car is hard to start, idles roughly, accelerates sluggishly or gulps gasoline, you’ll probably get little benefit from replacing the spark plugs before the time or mileage interval ...

DETROIT -- Years ago, backyard mechanics could change their spark plugs easily for little cost, boosting gas mileage and meeting the manufacturer's scheduled maintenance requirements. But now, as ...

Not every driver knows how often they need to change spark plugs in their car. The frequency is determined by many factors, such as the material from which the center electrode is made, the operating ...

The engine in your car, truck, or crossover operates on the simple principle of capturing the energy from countless tiny ...