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 ...

The engine of a car heavily depends on spark plugs, given their role in igniting the mixture of air and fuel in the combustion chamber. A top-notch spark plug ensures that your engine runs smoothly ...

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 ...