{"product_id":"audi-vw-nox-sensor-4g0907807t","title":"NOx Sensor for Audi \/ Volkswagen | OEM 4G0907807T | Nitrogen Oxide Sensor","description":"\u003ch2 data-section-id=\"l0zaa4\" data-start=\"101\" data-end=\"113\" class=\"PDq2pG_selectionAnchorContainer\"\u003eFitment\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"114\" data-end=\"169\"\u003eConfirmed OE application based on OEM catalog listings:\u003c\/p\u003e\n\u003cul data-start=\"171\" data-end=\"382\"\u003e\n\u003cli data-section-id=\"1ev7zfi\" data-start=\"171\" data-end=\"215\"\u003eAudi A6 (4G \/ C7 platform) diesel models\u003c\/li\u003e\n\u003cli data-section-id=\"jlleqs\" data-start=\"216\" data-end=\"255\"\u003eAudi A7 (4G platform) diesel models\u003c\/li\u003e\n\u003cli data-section-id=\"b3yoc5\" data-start=\"256\" data-end=\"313\"\u003eVolkswagen Group diesel SCR (AdBlue) emission systems\u003c\/li\u003e\n\u003cli data-section-id=\"1v6nq6b\" data-start=\"314\" data-end=\"382\"\u003eVehicles using VAG 4G-series exhaust aftertreatment architecture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"384\" data-end=\"447\"\u003eFitment is strictly based on OE number matching: \u003cstrong data-start=\"433\" data-end=\"447\"\u003e4G0907807T\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"449\" data-end=\"488\"\u003e \u003c\/p\u003e\n\u003chr data-start=\"490\" data-end=\"493\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"495\" data-end=\"521\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"522\" data-end=\"650\"\u003eThis NOx sensor is used in diesel exhaust aftertreatment systems to measure nitrogen oxide (NOx) concentration in exhaust gases.\u003c\/p\u003e\n\u003cp data-start=\"652\" data-end=\"835\"\u003eIt transmits real-time data to the ECU to control SCR (Selective Catalytic Reduction) dosing strategy and maintain emission compliance in diesel vehicles equipped with AdBlue systems.\u003c\/p\u003e\n\u003cp data-start=\"837\" data-end=\"974\"\u003eThe sensor is part of the emissions monitoring system and communicates with the engine control unit for NOx reduction efficiency control.\u003c\/p\u003e\n\u003chr data-start=\"976\" data-end=\"979\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"981\" data-end=\"1008\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cp data-start=\"1009\" data-end=\"1048\"\u003eCommon symptoms of failure may include:\u003c\/p\u003e\n\u003cul data-start=\"1050\" data-end=\"1220\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1050\" data-end=\"1072\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"tb88yx\" data-start=\"1073\" data-end=\"1121\"\u003eP2200 \/ P229F fault codes (system dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1122\" data-end=\"1153\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1yecva8\" data-start=\"1154\" data-end=\"1196\"\u003eReduced engine performance (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1197\" data-end=\"1220\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1222\" data-end=\"1225\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1227\" data-end=\"1249\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1250\" data-end=\"1264\"\u003e\n\u003cli data-section-id=\"9r0x5q\" data-start=\"1250\" data-end=\"1264\"\u003e4G0907807T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1266\" data-end=\"1269\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1271\" data-end=\"1279\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"qplmuk\" data-start=\"1281\" data-end=\"1316\"\u003eWhat does this NOx sensor do?\u003c\/h3\u003e\n\u003cp data-start=\"1317\" data-end=\"1426\"\u003eIt measures nitrogen oxide levels in diesel exhaust gases and sends data to the ECU for SCR emission control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"153fw06\" data-start=\"1428\" data-end=\"1466\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"1467\" data-end=\"1588\"\u003eYes. It is strictly matched by OE number. Even small suffix differences may indicate a different revision or calibration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zz2n8o\" data-start=\"1590\" data-end=\"1636\"\u003eCan similar NOx sensors be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"1637\" data-end=\"1738\"\u003eNot recommended. NOx sensors are ECU-calibrated components and must match the exact OE specification.\u003c\/p\u003e\n\u003ch3 data-section-id=\"xf421d\" data-start=\"1740\" data-end=\"1772\"\u003eWhat system is it used in?\u003c\/h3\u003e\n\u003cp data-start=\"1773\" data-end=\"1914\"\u003eIt is used in Volkswagen Group diesel SCR (AdBlue) emission systems, commonly on 4G platform vehicles such as Audi A6\/A7 diesel applications.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51863388127364,"sku":"4G0907807T","price":255.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_f8d1f56b-1b76-4a4f-a839-de3aecc8f4fe.jpg?v=1778947109","url":"https:\/\/www.jslook.com\/products\/audi-vw-nox-sensor-4g0907807t","provider":"ASHENG","version":"1.0","type":"link"}