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 ...

They may look like your average wires, but spark plug wires have a very important job to do. Their mission is to provide electricity from the car's 12 volt battery to the engine's spark plugs. Without ...

Even still, as the truck approached the century mark, it would be coming up on a few things that had yet to be performed. One of these was a spark-plug change, which is recommended for the 6.2L V-8 ...