View post: 1970 Pontiac GTO For Sale With 61,760 Miles How often you need to replace the spark plugs depends on a variety of factors like the type of car you drive, how you drive it, and its mileage.

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 ...

Among other advantages, such as stronger spark, better timing control, lower maintenance and longer inspection intervals, these ignitions allow the use of auto spark plugs. Auto plugs are desirable ...

Spark plugs are not designed to last forever and at some point they’ll reach their life ending due to carbon deposits on the tips or a crack in the ceramic insulation. Replacing them is an easy task ...

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 ...