The requirement to gap spark plugs might not be as common as it once was, but it's still an important bit of maintenance on ...

We firmly believe that sometimes even the longest-tenured hot-rodder should pause for a moment and recognize his or her journey in the hobby; take time to look back to where it all began and think ...

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

DEAR CAR TALK: I just changed the spark plugs and the coil bar on my 2014 Chevy Sonic. The engine starts but won't go over 3,000 rpms. Did I do something incorrectly? - Max RAY: I'm going to put my ...

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 ...