{"product_id":"facet-9-3013-ignition-knock-detonation-sensor","title":"Facet 9.3013 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eOverview of Facet Ignition Knock Sensor 9.3013\u003c\/h2\u003e\u003cp\u003eThe Facet Ignition Knock (Detonation) Sensor 9.3013 is designed for precise detection of engine knock in select Audi and Volkswagen models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi and Volkswagen vehicles including A4, A6 Quattro, Passat, Golf, and more\u003c\/li\u003e\n\u003cli\u003ePart number 9.3013 ensures exact fit and function for specified models\u003c\/li\u003e\n\u003cli\u003eDetects engine knock to prevent damage and improve fuel efficiency\u003c\/li\u003e\n\u003cli\u003eDurable construction for reliable long-term operation\u003c\/li\u003e\n\u003cli\u003eDirect replacement sensor for emission control systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Facet 9.3013 ignition knock sensor is engineered to detect abnormal combustion events, commonly known as engine knock or detonation, in a range of Audi and Volkswagen vehicles. This sensor plays a critical role in the emission control system by providing real-time feedback to the engine control module (ECM). By accurately sensing knock, it allows the ECM to adjust ignition timing and fuel delivery, helping to protect the engine from damage and maintain efficient operation. Compatible with models such as the Audi 80, 90 Quattro, A4 Quattro, S4, and Volkswagen Golf, Jetta, Passat, and Touareg, this sensor meets OEM specifications for fit and performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents engine damage caused by uncontrolled detonation\u003c\/li\u003e\n\u003cli\u003eHelps reduce engine knocking noise and vibration\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by optimizing ignition timing\u003c\/li\u003e\n\u003cli\u003eSupports emission control compliance by ensuring proper combustion\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to knock sensor faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility by verifying make, model, and part number 9.3013 before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery before sensor replacement to avoid electrical issues\u003c\/li\u003e\n\u003cli\u003eLocate the sensor on the engine block or cylinder head as per vehicle service manual\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications to avoid sensor damage\u003c\/li\u003e\n\u003cli\u003eClear any diagnostic trouble codes after installation to reset the ECM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFacet ignition knock sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Facet products typically come with a limited warranty covering defects in materials and workmanship. This provides confidence in the sensor’s ability to perform consistently within the specified Audi and Volkswagen applications.\u003c\/p\u003e","brand":"Facet","offers":[{"title":"Default Title","offer_id":43796417675445,"sku":"CHMT-9.3013","price":27.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FT_93013_Fro.jpg?v=1774998190","url":"https:\/\/www.partcatalog.com\/products\/facet-9-3013-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}