Automotive Basics: Spark Plugs
These little parts pack a big punch in your vehicle. For gasoline-fueled cars and trucks, spark plugs provide the catalyst for igniting the air and fuel mixture in the combustion chamber. Anatomy of a Spark Plug Spark plugs cost about $10 each, but they contain components that provide invaluable contributions to the function of your vehicle. Copper Electrode The spark plug contains a copper electrode in the center. Nickel Alloy or Precious Metals The [...]