Your engine's spark plugs are absolutely vital to the longevity and clean running of your engine. That's why they need to be changed regularly, and properly. Here's how to do that without making a ...

Checking, replacing and maintaining your spark plugs is actually one of the easier and most affordable car-maintenance jobs you can do in the comfort of your own driveway — that is, if you don’t screw ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...

Spark plugs sit at the center of every gasoline engine’s heartbeat, turning fuel and air into the controlled explosions that move your car. When they work properly, you feel smooth power, quick starts ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...

If you can't get your engine to start running, a spark plug issue could be the culprit. Faulty or malfunctioning spark plugs can prevent your engine from doing its job correctly (or at all), so ...

Question: I have a 2006 Kia Sedona, and it randomly misfires roughly once for every week of normal driving and once after each carwash. When it happens, I pull over and shut off the car. Then, I turn ...

The first vehicle that was fitted with an internal combustion engine and an electric ignition was actually built back in 1808, but it wasn't until a viable process to develop high voltage spark plugs ...

Chrysler's 5.7-liter HEMI engine is one of the most iconic Mopar engines of all time. A lot of factors contribute to the 5.7 HEMI's power and performance, but one of its most interesting ...

Are your spark plug boots stuck or arcing? A simple tube of dielectric grease could save your ignition system. Here is the right way to apply it to your car.