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, ...

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 ...

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 ...

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.

We earn commissions from purchases you make using links in our articles. Learn more. You’re likely aware that in order to keep your vehicle running in great shape, you’ll need to replace the spark ...

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 ...

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 ...

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 ...