{"product_id":"ntk-ign-knock-sensor-id0164-72963","title":"\/NTK Ign Knock Sensor ID0164 (72963)","description":"\u003cul\u003e\n\u003cli\u003eDetermines if engine knock (caused by detonation) is present\u003c\/li\u003e\n\u003cli\u003eInternally sealed to prevent moisture intrusion\u003c\/li\u003e\n\u003cli\u003eAdvanced piezo ceramic technology for increased durability\u003c\/li\u003e\n\u003cli\u003eShielded harness prevents electrical interference\u003c\/li\u003e\n\u003cli\u003eHarness length and wire gauge matches Original Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cdiv\u003e \u003cp\u003e \u003cspan\u003eThe ignition knock sensor determines if engine knock is present (caused by detonation). A piezoelectric crystal, which generates a varying voltage based upon engine vibration intensity, sends a signal to the ECM. The signal is used to retard ignition timing which prevents engine damage caused by pre-ignition. Located on the engine block, common causes for replacement include check engine lamp illumination, engine hesitation, poor fuel economy and failed emissions tests.\u003c\/span\u003e \u003c\/p\u003e \u003c\/div\u003e","brand":"greatparts","offers":[{"title":"Default Title","offer_id":45659327397932,"sku":"20cabe35-361b-4bda-9251-59601ff199d8","price":188.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/4960\/8236\/files\/f95619c3ee0472215ce9a5fb24b67ff6.jpg?v=1781574597","url":"https:\/\/perfectfitpart.com\/products\/ntk-ign-knock-sensor-id0164-72963","provider":"PERFECTFITPART.COM","version":"1.0","type":"link"}