{"product_id":"dorman-904-778-exhaust-gas-temperature-egt-sensor","title":"Dorman 904-778 Exhaust Gas Temperature (EGT) Sensor - End of Particulate Filter","description":"\u003ch2\u003eOverview of the Dorman 904-778 Exhaust Gas Temperature Sensor\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-778 Exhaust Gas Temperature (EGT) Sensor is designed specifically for select Audi models, including the A6 Quattro, A7 Quattro, A8 Quattro, and Q5. This sensor plays a critical role in monitoring exhaust temperatures to help maintain optimal engine performance and emissions control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A6 Quattro, A7 Quattro, A8 Quattro, and Q5 models\u003c\/li\u003e\n\u003cli\u003eSpecific fit design ensures precise installation and reliable operation\u003c\/li\u003e\n\u003cli\u003eWiring harness length of 290 mm for flexible placement\u003c\/li\u003e\n\u003cli\u003eBlack oval-shaped female connector with two female blade terminals\u003c\/li\u003e\n\u003cli\u003eThread diameter of 14 mm with 1.5 mm pitch and male nut thread\u003c\/li\u003e\n\u003cli\u003eStraight angle sensor tip with a 7 mm width for accurate temperature readings\u003c\/li\u003e\n\u003cli\u003eIncludes one EGT sensor, one bung repair kit, and one zip tie for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-778 EGT sensor is engineered to provide accurate exhaust gas temperature measurements, which are essential for the vehicle’s emission control system. Featuring a 290 mm wiring harness, this sensor offers sufficient length for installation in tight engine compartments. The black oval-shaped female connector with two female blade terminals ensures a secure electrical connection, minimizing the risk of signal loss or interference. The sensor’s 14 mm thread diameter with a 1.5 mm pitch and male nut thread allows for a precise and secure fit into the exhaust system. Its straight angle design and 7 mm tip width enable it to accurately detect temperature changes in the exhaust gases, helping the engine control unit adjust fuel delivery and emission controls accordingly.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps prevent engine overheating by monitoring exhaust gas temperatures\u003c\/li\u003e\n\u003cli\u003eSupports emission control systems to reduce harmful exhaust emissions\u003c\/li\u003e\n\u003cli\u003eAssists in maintaining optimal engine performance and fuel efficiency\u003c\/li\u003e\n\u003cli\u003eDetects sensor faults that may trigger check engine lights\u003c\/li\u003e\n\u003cli\u003eReplaces faulty or damaged EGT sensors in Audi Quattro models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 904-778 sensor requires careful handling to avoid damage to the wiring harness and connector. Ensure the sensor is threaded properly into the exhaust system using the 14 mm thread diameter and 1.5 mm pitch specifications. Use the included bung repair kit to address any exhaust port issues during installation. The 290 mm wiring harness length provides flexibility, but avoid sharp bends or kinks to maintain signal integrity. Secure the wiring with the included zip tie to prevent movement or abrasion during vehicle operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 904-778 EGT sensor to meet or exceed OEM specifications for fit, form, and function. This sensor undergoes rigorous testing to ensure durability and reliable performance under demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product’s quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327432552629,"sku":"BKKY-904-778","price":104.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904778_Sid.jpg?v=1775011866","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-778-exhaust-gas-temperature-egt-sensor","provider":"PartCatalog","version":"1.0","type":"link"}