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 ...

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 ...

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

Simply put, getting the maximum power from any race engine is a function of the temperature, pressure and timing of combustion gases in the cylinder. Since it would be expensive and impractical for ...

When most drivers turn the key or press a button to start their vehicle, they’re probably not mentally going through everything that needs to happen in order for their engine to start. And while the ...

I had spark plugs changed in my car. The manual states replace the spark plugs at 60,000 miles. I had it done when the car ...

I bought a 1996 Toyota Land Cruiser last year. A “code PO306″ for “cylinder six misfire” was found by the local Toyota dealer. He swapped the plugs between cylinders five and six, and the misfire ...

If you've ever seen a mechanic draw a tiny line on a spark plug before changing it, they're not performing witchcraft — they're indexing it. The idea is simple. Most standard types of spark plugs have ...