The Nissan Pathfinder Spark Plug Wire transmits high voltage from the ignition coil or distributor to each spark plug, ensuring the combustion of the air-fuel mixture inside the cylinders. The Spark Plug Wire consists of a conductive core insulated with silicone or EPDM, which is additionally protected with a fiberglass braid. This construction is encapsulated with an outer jacket of silicone or EPDM that safeguards the wire from heat, abrasions, and chemicals. Furthermore, the fiberglass braid provides protection. At each end of the wire, a metal terminal is clipped to the spark plug and to the distributor cap or coil. Molded boots protect these and keep the wire seated. The Spark Plug Wire allows electricity to flow, which creates an electromagnetic field. The suppression construction limits any EMI and RFI disturbance to radios or electronic controls without adding to the resistance. The insulation or resistance can crack due to age, vibration, and high temperature, which can cause hard starting, misfires, and rough idle. Hence, periodic replacement will keep the ignition steady. This is an important aspect of a Nissan Pathfinder. Every Pathfinder Spark Plug Wire should perform its job for the benefit of Nissan vehicle owners. Any worn-out Spark Plug Wire can compromise efficiency and performance. Additionally, the correct Nissan length helps to keep the wiring organized in the engine bay of the Pathfinder.
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