You may have heard about your engine's coil pack but not understood what it does. It's actually a critical component for making your engine run.

Side gapping a spark plug means shortening the ground electrode in order to give the flame a more direct path to the air/fuel ...

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, ...