Engine Ignition Knock Detonation Sensor & Connector SetFunction of the Engine Ignition Knock Detonation SensorContinuously monitors combustion vibrations for abnormal "knocking" soundsSends real-time voltage signals to the Engine Control Unit (ECU)Enables the ECU to retard ignition timing to protect the engineHelps maintain optimal performance under all driving conditionsCompatible Vehicle:for Nissan Frontier 3.3L 1999-2004for Nissan Quest 3.3L 1999-2002for Nissan Xterra 3.3L 2000-2004for Nissan Pathfinder 3.3L 2000for Mercury Villager 3.3L 1999-2002OE Number:22060-7B000/220607B000/B20607B000/XF5Z12A699A/XF5Z12A699AAProduct Details:Material: Copper, PlasticPin Number: 2Harness Length:18.5cm/7.
