Changing your own spark plugs is a rite of passage among gearheads. It shows you’re fully aware that your car needs basic maintenance to stay in tip-top shape, and that you’re ready to tackle it ...

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 ...

Q: In a recent column you told a reader that he should not need to replace platinum-tipped spark plugs until the manufacturer-recommended 60,000 miles. The dissimilar metals in the aluminum heads and ...