Spark plugs may be small, but they play a huge role in how your engine performs. These components ignite the air-fuel mixture ...

Iridium is a precious, silver-white metal and one of the densest materials found on earth. Iridium is a precious, silver-white metal and one of the densest materials found on earth. The natural ...

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 ...

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 ...

How long spark plugs last varies with different cars and different types of spark plugs. Older cars often had to have their spark plugs replaced every 5,000 to 10,000 miles, while some newer cars — ...