Spark plugs sit at the center of every gasoline engine’s heartbeat, turning fuel and air into the controlled explosions that move your car. When they work properly, you feel smooth power, quick starts ...

You're hunched over the engine with your wrist painfully contorted, wishing you were Mr. Fantastic. You've finally removed broken spark plug number four and then the intrusive thought hits. "Should I ...

A worn or broken plug end on a small appliance can be easily replaced with a little know-how, a screwdriver and a wire stripper. Step 1: With the appliance unplugged, use scissors or wire cutters to ...

There's something oddly satisfying about pulling an old spark plug out of an engine, but what do you do with the plug once it's out? Maybe you're having second thoughts about changing the spark plug ...

A faulty spark plug is one of the most common reasons a motorcycle refuses to start or runs poorly. By identifying symptoms early, removing the plug on a cold engine, cleaning or replacing it ...