Why Does My Spark Plug Keep Failing?

Industrial spark plugs are a vital part of all gas-powered combustion engines. They light the gas and air mixture as it enters the engine, moving the cylinders. Most modern iridium and platinum industrial spark plugs are rated by their manufacturers to last for at least 3500 hours of continuous use. However, some plugs inevitably fail or degrade beforetheir time is officially supposed to be up.

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