Spark plug failures, including internal resistor issues, insulator defects, or excessive/no resistance, are a frequent cause of engine operational problems such as high EGT, stumbling, and rough ...

Spark plug gapping may sound like one of those old-timey chores, like setting breaker points in a distributor or lubricating the frame, but having the proper spark plugs and ensuring they're properly ...

In olden times, part of the ritual of changing your engine's spark plugs was making sure that the gap was set correctly for optimum performance. That is, the distance between the spark plug's center ...

We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...