I'm going to do some service on my Toyota Echo on Sunday, including new plugs. The current plugs are Denso iridium and have just over 30,000 miles on them. I was wondering if any of you have any basis ...

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of capturing the ...

Gas-powered internal combustion engines need spark plugs to (literally) ignite and complete the combustion stroke, enabling the motor to produce power. They may seem unusual to the untrained eye, but ...