Learn how to use dielectric grease on spark plug boots to prevent voltage leaks and corrosion. Follow our guide to protect ...

While most engines have the same number of spark plugs and cylinders, some four-cylinder blocks have two plugs for each ...

Swapping spark plugs seems straightforward, but are you overlooking a critical part? How long do ignition coils last, and ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...