They may look like your average wires, but spark plug wires have a very important job to do. Their mission is to provide electricity from the car's 12 volt battery to the engine's spark plugs. Without ...

Q. I have managed to shear off a new spark plug from my 2005 Suzuki GSX-R1000. What are my options for getting it out? Oz Stephens, email A. You may well have to lift the cylinder head to get at it, ...

Dear Mike: My pickup came new with those expensive spark plugs that never need changing. Of course I needed to change them after the engine started to misfire, at about 120,000 miles. Two of them ...