{"product_id":"facet-9-3186-ignition-knock-detonation-sensor","title":"Facet 9.3186 Ignition Knock (Detonation) Sensor - Inner","description":"\u003ch2\u003eReliable Ignition Knock Sensor for Audi A8 Quattro and R8\u003c\/h2\u003e\u003cp\u003eThe Facet 9.3186 ignition knock sensor is designed to detect engine detonation and optimize performance for Audi A8 Quattro and R8 models. This sensor helps maintain engine efficiency by providing accurate knock detection signals to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A8 Quattro and Audi R8 models\u003c\/li\u003e\n\u003cli\u003ePart number 9.3186 ensures precise fit and function\u003c\/li\u003e\n\u003cli\u003eMonitors engine knock to prevent detonation damage\u003c\/li\u003e\n\u003cli\u003eDurable construction for consistent sensor 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 9.3186 ignition knock sensor is an essential component in the emission control system of Audi A8 Quattro and R8 vehicles. It detects abnormal combustion events, commonly known as engine knock or detonation, and sends signals to the engine control unit (ECU). This feedback allows the ECU to adjust ignition timing and fuel delivery, protecting the engine from damage and improving fuel efficiency. The sensor is engineered to meet OEM specifications, ensuring reliable operation and compatibility with the vehicle’s existing systems.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the Knock Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine knocking or pinging noises during acceleration\u003c\/li\u003e\n\u003cli\u003eReduced engine performance and fuel efficiency\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by knock sensor fault codes\u003c\/li\u003e\n\u003cli\u003ePotential engine damage from uncontrolled detonation\u003c\/li\u003e\n\u003cli\u003eIrregular ignition timing causing rough idling or hesitation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Facet 9.3186 ignition knock sensor on Audi A8 Quattro or R8 models, ensure the sensor is mounted securely to the engine block to accurately detect vibrations. Use the correct torque specifications to avoid sensor damage. It is recommended to inspect the wiring harness and connectors for corrosion or damage before installation. Proper installation will help maintain sensor accuracy and engine performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eFacet manufactures the 9.3186 ignition knock sensor to meet strict quality standards, ensuring durability and reliable operation in emission control applications. While specific warranty details may vary, Facet products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Facet","offers":[{"title":"Default Title","offer_id":43796549796021,"sku":"CHMT-9.3186","price":55.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FT_93186_Fro.jpg?v=1774998208","url":"https:\/\/www.partcatalog.com\/products\/facet-9-3186-ignition-knock-detonation-sensor","provider":"PartCatalog","version":"1.0","type":"link"}