Bad Spark Plug Cause

Many drivers assume that an engine misfire automatically points to an expensive ignition, fuel-system, or internal engine problem. While those

A worn spark plug does not always announce itself with a dramatic breakdown. More often, the engine starts a little

A healthy engine usually runs so smoothly that you barely notice its sound. That is why sudden sputtering, popping, hesitation,

Many drivers expect a healthy spark plug to have a specific shade of brown or tan, but color alone does

A sudden drop in fuel economy can be frustrating, especially when your driving habits and routes have not changed. While

A car that suddenly starts shaking at idle, vibrating during acceleration, or feeling rough while driving can make it seem

A vehicle can sit unused for weeks, months, or even years, and when it is finally started again, rough running,

A spark plug can look “bad” in several very different ways. A dry black coating may point to incomplete combustion,

Misreading exhaust smoke can quickly turn a simple ignition issue into an expensive diagnosis—or, in the opposite direction, cause a