{"product_id":"facet-9-3048-ignition-knock-detonation-sensor","title":"Facet 9.3048 Ignition Knock (Detonation) Sensor","description":"\u003ch2\u003eReliable Ignition Knock Sensor for Audi and Volkswagen Models\u003c\/h2\u003e\u003cp\u003eThe Facet 9.3048 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for select Audi and Volkswagen vehicles. This sensor helps maintain engine performance by detecting abnormal combustion and allowing the engine control unit to adjust timing accordingly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Volkswagen Passat\u003c\/li\u003e\n\u003cli\u003ePart number 9.3048 ensures precise fit and function\u003c\/li\u003e\n\u003cli\u003eMonitors engine knock to optimize ignition timing\u003c\/li\u003e\n\u003cli\u003eDurable construction for consistent performance\u003c\/li\u003e\n\u003cli\u003eDirect replacement sensor for emission control systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Functionality\u003c\/h2\u003e\u003cp\u003eThe Facet 9.3048 ignition knock sensor is an essential component in the emission control system of various Audi and Volkswagen models. It detects engine detonation or knocking by sensing vibrations caused by abnormal combustion. This information is sent to the engine control unit (ECU), which then adjusts ignition timing to prevent engine damage and improve fuel efficiency. Designed specifically for models such as the Audi A4 Quattro and Volkswagen Passat, this sensor meets OEM specifications for reliable operation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Facet 9.3048 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine knocking or pinging under load\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 hesitation or rough idling\u003c\/li\u003e\n\u003cli\u003ePotential engine damage from undetected detonation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Facet 9.3048 ignition knock sensor, ensure the engine is cool and the battery is disconnected to avoid electrical hazards. Locate the sensor on the engine block as specified in the vehicle’s service manual. Use the correct torque specifications to avoid sensor damage. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eFacet manufactures the 9.3048 ignition knock sensor to meet strict quality standards, ensuring durability and accurate performance. While specific warranty details may vary, Facet products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer documentation.\u003c\/p\u003e","brand":"Facet","offers":[{"title":"Default Title","offer_id":43796481638581,"sku":"CHMT-9.3048","price":38.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FT_93048_Fro.jpg?v=1774998192","url":"https:\/\/www.partcatalog.com\/products\/facet-9-3048-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}