The spark plug is essentially a high-voltage “bridge” that ignites gas vapors inside your engine and makes your car go. On average, spark plugs should be replaced every 50-100,000 miles—the good news ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...

Went to change my spark plugs this afternoon and the very first one I went to was stuck fast. I leaned on the plug spanner as hard as I dared, but no dice. I'm not keen to risk breaking the plug by ...