{"product_id":"audi-nox-sensor-80a907807d-5wk97438","title":"NOx Sensor for Audi \/ Volkswagen | OEM 80A907807D | 5WK97438 | Nitrogen Oxide Sensor","description":"\u003ch2 data-section-id=\"l0zaa4\" data-start=\"112\" data-end=\"124\" class=\"PDq2pG_selectionAnchorContainer\"\u003eFitment\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"125\" data-end=\"184\"\u003eConfirmed OE application based on OEM cross-reference data:\u003c\/p\u003e\n\u003cul data-start=\"186\" data-end=\"407\"\u003e\n\u003cli data-section-id=\"1ghqbed\" data-start=\"186\" data-end=\"241\"\u003eAudi Q5 (FY platform) 2.0 \/ 3.0 TDI diesel variants\u003c\/li\u003e\n\u003cli data-section-id=\"1hzu30j\" data-start=\"242\" data-end=\"279\"\u003eAudi SQ5 (FY) diesel applications\u003c\/li\u003e\n\u003cli data-section-id=\"isr5na\" data-start=\"280\" data-end=\"336\"\u003eSCR (AdBlue) emission systems (EU6 diesel platforms)\u003c\/li\u003e\n\u003cli data-section-id=\"klvhve\" data-start=\"337\" data-end=\"407\"\u003eUpstream \/ downstream NOx sensor position depending on engine code\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"409\" data-end=\"483\"\u003eFitment is strictly based on OE number matching: \u003cstrong data-start=\"458\" data-end=\"483\"\u003e80A907807D \/ 5WK97438\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"485\" data-end=\"690\"\u003eVerified OE cross-reference indicates this sensor family is widely used on Audi Q5 FY diesel platforms with V6\/V8 TDI configurations and shared VAG SCR architecture. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"692\" data-end=\"695\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"697\" data-end=\"723\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"724\" data-end=\"852\"\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=\"854\" data-end=\"1016\"\u003eIt transmits real-time data to the ECU to control SCR (Selective Catalytic Reduction) dosing strategy, ensuring correct AdBlue injection and emissions compliance.\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1151\"\u003eThe sensor is an integrated electronic module designed for high-temperature exhaust environments and continuous emissions monitoring.\u003c\/p\u003e\n\u003chr data-start=\"1153\" data-end=\"1156\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"1158\" data-end=\"1185\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cp data-start=\"1186\" data-end=\"1225\"\u003eCommon symptoms of failure may include:\u003c\/p\u003e\n\u003cul data-start=\"1227\" data-end=\"1397\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"1227\" data-end=\"1249\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"tb88yx\" data-start=\"1250\" data-end=\"1298\"\u003eP2200 \/ P229F fault codes (system dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1299\" data-end=\"1330\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1yecva8\" data-start=\"1331\" data-end=\"1373\"\u003eReduced engine performance (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1374\" data-end=\"1397\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1399\" data-end=\"1402\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1404\" data-end=\"1426\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1427\" data-end=\"1560\"\u003e\n\u003cli data-section-id=\"r5utt0\" data-start=\"1427\" data-end=\"1441\"\u003e80A907807D\u003c\/li\u003e\n\u003cli data-section-id=\"1d2894g\" data-start=\"1442\" data-end=\"1454\"\u003e5WK97438\u003c\/li\u003e\n\u003cli data-section-id=\"i6boyz\" data-start=\"1455\" data-end=\"1560\"\u003eContinental \/ Vitesco reference family: SNS438 \/ A2C38401800-01 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1562\" data-end=\"1565\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1567\" data-end=\"1575\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"qplmuk\" data-start=\"1577\" data-end=\"1612\"\u003eWhat does this NOx sensor do?\u003c\/h3\u003e\n\u003cp data-start=\"1613\" data-end=\"1722\"\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=\"1724\" data-end=\"1762\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"1763\" data-end=\"1911\"\u003eYes. It is strictly matched by OE number. Even small suffix differences (A \/ B \/ D \/ L \/ M) can indicate different calibration or ECU compatibility.\u003c\/p\u003e\n\u003ch3 data-section-id=\"2kngh7\" data-start=\"1913\" data-end=\"1949\"\u003eWhat vehicles use this sensor?\u003c\/h3\u003e\n\u003cp data-start=\"1950\" data-end=\"2132\"\u003eIt is commonly used on Audi Q5 and SQ5 diesel models within the FY platform generation, depending on engine and emission system configuration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"zz2n8o\" data-start=\"2134\" data-end=\"2180\"\u003eCan similar NOx sensors be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"2181\" data-end=\"2279\"\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":51863387701380,"sku":"5WK97438\/80A907807D","price":138.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_42df0838-8d6c-46cf-8445-72e8d24c3d0a.jpg?v=1778947086","url":"https:\/\/www.jslook.com\/products\/audi-nox-sensor-80a907807d-5wk97438","provider":"ASHENG","version":"1.0","type":"link"}