There are a lot of different types of spark plugs out there, but they all do one job, which is igniting the air-fuel mixture inside the cylinders. A shiny new spark plug does that consistently at the ...

Spark plugs play a key role in keeping your engine running, since it's that little jolt of electricity that ignites the fuel/air mixture in a motor's cylinders. And that little spark has to be ...

Add Yahoo as a preferred source to see more of our stories on Google. There are a lot of different types of spark plugs out there, but they all do one job, which is igniting the air-fuel mixture ...