The spark plug is essentially a high-voltage “bridge” that ignites gas vapors inside your engine and makes your car go. On average, spark plugs should be replaced every 50-100,000 miles—the good news ...

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 play a highly significant role in the overall functioning of a vehicle. Without well-functioning spark plugs, a vehicle may not operate properly or at all. This article explains all ...

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.