In conventional engines, spark plugs send high-voltage electricity sparking across the electrode gaps in a combustion engine: This results in a controlled explosion in the engine, which drives the ...

Spark plugs are vital for gas-powered cars. However, they can be subject to a strange phenomenon known as blow out. Here's what that means and how to fix it.

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.