Spark plugs are made from many different materials. Ruthenium spark plugs are able to offer some different benefits from iridium and other plug types.

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 — ...

While most engines have the same number of spark plugs and cylinders, some four-cylinder blocks have two plugs for each ...

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Regardless of the type of spark plug used by your car, chances are high that without proper engine maintenance, you could experience spark plug fouling. Fouled spark plugs cause misfires, rough idle, ...