Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Spark plugs are the heart of your car’s ignition system. If yours are worn out, ...

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 ...

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 ...