Grasp the boot at the plug end or use an inexpensive tool known as boot pliers to remove stuck spark plug wires. Don't forget to remove spark plug wires one at a time.

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 ...

Never use an air wrench on spark plugs. Conventional wisdom says to remove plugs only from a cold engine, probably because mechanics like to tell customers that they’ll need a little time to do ...