The spark plug in your car and a spark plug on a boat have the same job, but perform it in very different environments.

Gasoline internal combustion engines need three fundamental things: fuel, oxygen, and spark. The sexy aspects of modifying cars are focused on the first two elements: Double Pumper carburetors, ...

Considering the price differences between different spark plug types, you may be tempted to switch from platinum to copper plugs. Here's why that's a bad idea.

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Getting trapped in a car can be nerve-wracking, but there's one small and cheap everyday car part that can break many car windows with relative ease.

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

Q: I got a pretty good shock from one of my Toyota Camry’s spark-plug wires. I didn’t think much about it at the time other than to never touch them again when the engine is running. Later I mentioned ...