{"product_id":"standard-ignition-ks399-ignition-knock-detonation-sensor","title":"Standard Ignition KS399 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eReliable Ignition Knock Sensor for Ford and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition KS399 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize performance in select Ford and Mercury models. This bolt-on sensor features a female square plug connector and is engineered for straightforward installation and reliable operation.\u003c\/p\u003e\u003ch2\u003eKey Features of the Standard Ignition KS399 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBolt mount attachment method ensures secure and stable installation\u003c\/li\u003e\n\u003cli\u003eFemale connector with a square shape for precise fitment\u003c\/li\u003e\n\u003cli\u003ePlug-in connector type simplifies electrical connection\u003c\/li\u003e\n\u003cli\u003eTwo female blade terminals provide reliable signal transmission\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford Escape, Fiesta, Fusion, Mariner, and Transit Connect models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the KS399 Ignition Knock Sensor\u003c\/h2\u003e\u003cp\u003eThe KS399 sensor from Standard Ignition is engineered to detect engine detonation or knock by monitoring vibrations within the engine block. Its bolt-on mounting type allows for a secure fit directly onto the engine, minimizing false readings caused by sensor movement. The sensor’s female plug connector with a square shape and two blade terminals ensures a stable electrical connection, critical for accurate knock detection. This sensor is specifically designed for use in Ford and Mercury vehicles, including popular models such as the Escape, Fiesta, Fusion, Mariner, and Transit Connect, making it a precise replacement part for maintaining engine efficiency and performance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the KS399 Knock Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine knocking or pinging during acceleration\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency due to improper ignition timing\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by knock sensor fault codes\u003c\/li\u003e\n\u003cli\u003eEngine performance issues related to detonation detection failure\u003c\/li\u003e\n\u003cli\u003ePotential engine damage from undetected knock events\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation to avoid injury\u003c\/li\u003e\n\u003cli\u003eUse the bolt mount method to securely attach the sensor to the engine block\u003c\/li\u003e\n\u003cli\u003eVerify the female square plug connector aligns correctly with the vehicle’s wiring harness\u003c\/li\u003e\n\u003cli\u003eCheck that the two blade terminals are clean and free of corrosion before connecting\u003c\/li\u003e\n\u003cli\u003eAfter installation, clear any diagnostic trouble codes and test drive to confirm proper sensor operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition manufactures the KS399 sensor to meet or exceed OEM specifications for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under normal driving conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product’s quality.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44690882724021,"sku":"FBHK-KS399","price":47.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_KS399_Fro.jpg?v=1775081025","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-ks399-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}