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 ...

It's been fun learning more about how cars work with Engineering Explained. Now, though, it's time to dive into some basic maintenance tips that will help you grow ever closer with your own machine.

Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...

Misfiring, rough idling, poor acceleration, and decreased fuel efficiency — the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...