Nissan Pathfinder Spark Plug is basically the element that ignites the compressed air and fuel mixture in the engine cylinder. The Spark Plug has a threaded metal shell which seats in the cylinder head. It has a central electrode which extends into the combustion chamber and forms a spark gap with the side electrode. The central electrode has a ceramic insulator. When high voltage reaches the Spark Plug from the ignition coil, it ionizes the gases present across its gap. This ionization creates a small lightning like arc which fires hundreds to over a thousand times each minute depending on the engine speed. If you don't have this exact ignition event, a Nissan engine can experience misfiring, rough idling, surge, loss of acceleration, more gas consumption. Electrodes on a Nissan Pathfinder Spark Plug can be made of copper, platinum, double platinum, iridium, double iridium, or silver, all with a view to enhancing service life for constant firing. A clean and correctly gapped Spark Plug helps a Pathfinder conserve fuel efficiently, reduce hydrocarbon and carbon monoxide emissions, deliver reliable power on the street and off road, and ensure constant performance output of a Nissan Pathfinder.
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