{"product_id":"audi-vw-nox-sensor-4m0907807t","title":"Nox Sensor für 4M0907807T","description":"\u003ch2 data-section-id=\"l0zaa4\" data-start=\"101\" data-end=\"113\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"114\" data-end=\"181\"\u003eConfirmed OE application based on OEM catalog cross-reference data:\u003c\/p\u003e\n\u003cul data-start=\"183\" data-end=\"405\"\u003e\n\u003cli data-section-id=\"3tym\" data-start=\"183\" data-end=\"242\"\u003eAudi Q7 (4M platform) 3.0 TDI \/ 4.0 TDI diesel variants\u003c\/li\u003e\n\u003cli data-section-id=\"1wphs8o\" data-start=\"243\" data-end=\"302\"\u003eAudi SQ7 \/ SQ8 diesel applications (platform-dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"1vcp821\" data-start=\"303\" data-end=\"364\"\u003eVolkswagen Touareg (CR \/ MLBevo platform diesel variants)\u003c\/li\u003e\n\u003cli data-section-id=\"ph7c2l\" data-start=\"365\" data-end=\"405\"\u003eSCR (AdBlue) diesel emission systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"407\" data-end=\"470\"\u003eFitment is strictly based on OE number matching: \u003cstrong data-start=\"456\" data-end=\"470\"\u003e4M0907807T\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"472\" data-end=\"639\"\u003eOE catalog data confirms this part belongs to the 4M-series NOx sensor family used on MQB \/ MLB Evo large SUV diesel platforms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"641\" data-end=\"644\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"646\" data-end=\"672\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"673\" data-end=\"793\"\u003eThis NOx sensor measures nitrogen oxide (NOx) concentration in diesel exhaust gases and sends real-time data to the ECU.\u003c\/p\u003e\n\u003cp data-start=\"795\" data-end=\"957\"\u003eIt is part of the SCR (Selective Catalytic Reduction) system and is used to control AdBlue dosing strategy, ensuring emission compliance in modern diesel engines.\u003c\/p\u003e\n\u003cp data-start=\"959\" data-end=\"1086\"\u003eThe sensor is an electronic exhaust-mounted module designed for high-temperature operation and continuous emissions monitoring.\u003c\/p\u003e\n\u003chr data-start=\"1088\" data-end=\"1091\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"1093\" data-end=\"1120\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cp data-start=\"1121\" data-end=\"1156\"\u003eCommon symptoms of failure include:\u003c\/p\u003e\n\u003cul data-start=\"1158\" data-end=\"1328\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1158\" data-end=\"1180\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"tb88yx\" data-start=\"1181\" data-end=\"1229\"\u003eP2200 \/ P229F fault codes (system dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1230\" data-end=\"1261\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1yecva8\" data-start=\"1262\" data-end=\"1304\"\u003eReduced engine performance (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1305\" data-end=\"1328\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1330\" data-end=\"1333\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1335\" data-end=\"1357\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1358\" data-end=\"1372\"\u003e\n\u003cli data-section-id=\"iu0a8k\" data-start=\"1358\" data-end=\"1372\"\u003e4M0907807T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1374\" data-end=\"1377\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1379\" data-end=\"1387\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"qplmuk\" data-start=\"1389\" data-end=\"1424\"\u003eWhat does this NOx sensor do?\u003c\/h3\u003e\n\u003cp data-start=\"1425\" data-end=\"1528\"\u003eIt measures nitrogen oxide levels in diesel exhaust and sends data to the ECU for SCR emission control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"153fw06\" data-start=\"1530\" data-end=\"1568\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"1569\" data-end=\"1739\"\u003eYes. Compatibility is strictly determined by OE number matching. Even small suffix changes (T \/ K \/ AK variants) can indicate different calibration or mounting positions.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1q3hz4t\" data-start=\"1741\" data-end=\"1776\"\u003eWhich vehicles use this part?\u003c\/h3\u003e\n\u003cp data-start=\"1777\" data-end=\"1943\"\u003eIt is commonly used on Audi Q7\/SQ7\/SQ8 and Volkswagen Touareg diesel platforms depending on engine and emission configuration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5s8n1j\" data-start=\"1945\" data-end=\"1994\"\u003eCan similar NOx sensors be interchangeable?\u003c\/h3\u003e\n\u003cp data-start=\"1995\" data-end=\"2093\"\u003eNot recommended. NOx sensors are ECU-calibrated components and must match exact OE specifications.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51863387406468,"sku":"4M0907807T","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_bda77bc2-1ba2-45a8-a807-d3435f4fe8e1.jpg?v=1778947082","url":"https:\/\/www.jslook.com\/de\/products\/audi-vw-nox-sensor-4m0907807t","provider":"ASHENG","version":"1.0","type":"link"}