{"product_id":"ntk-ign-knock-sensor-id0079-73048","title":"\/NTK Ign Knock Sensor ID0079 (73048)","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":45659327627308,"sku":"23c3f89a-33f0-49b0-b922-59e04ac7ce4b","price":272.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/4960\/8236\/files\/f7972f280fd9fe6d01ffe95d2f2f1fe8.jpg?v=1781574613","url":"https:\/\/perfectfitpart.com\/products\/ntk-ign-knock-sensor-id0079-73048","provider":"PERFECTFITPART.COM","version":"1.0","type":"link"}