{"product_id":"volkswagen-nox-sensor-04l907805ap","title":"NOx Sensor for Volkswagen | OEM 04L907805AP | Nitrogen Oxide Sensor","description":"\u003ch2 data-section-id=\"l0zaa4\" data-start=\"95\" data-end=\"107\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"108\" data-end=\"347\"\u003eBased on OE catalog cross-reference data, \u003cstrong data-start=\"150\" data-end=\"165\"\u003e04L907805AP\u003c\/strong\u003e belongs to the Volkswagen Group diesel SCR (AdBlue) emissions system family and is used across selected VAG diesel applications where ECU calibration matches this specific revision.\u003c\/p\u003e\n\u003cp data-start=\"349\" data-end=\"413\"\u003eFitment is strictly based on OE number matching: \u003cstrong data-start=\"398\" data-end=\"413\"\u003e04L907805AP\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"415\" data-end=\"418\"\u003e\n\u003ch2 data-section-id=\"1sn8sr4\" data-start=\"420\" data-end=\"446\"\u003eTechnical Description\u003c\/h2\u003e\n\u003cp data-start=\"447\" data-end=\"583\"\u003eThis NOx sensor is installed in the diesel exhaust aftertreatment system to measure nitrogen oxide (NOx) concentration in exhaust gases.\u003c\/p\u003e\n\u003cp data-start=\"585\" data-end=\"769\"\u003eIt sends real-time signals to the ECU to support SCR (Selective Catalytic Reduction) system operation and AdBlue dosing control, ensuring emissions compliance in modern diesel engines.\u003c\/p\u003e\n\u003cp data-start=\"771\" data-end=\"892\"\u003eThe sensor is an integrated electronic module used in Euro 5 \/ Euro 6 diesel emission systems depending on configuration.\u003c\/p\u003e\n\u003chr data-start=\"894\" data-end=\"897\"\u003e\n\u003ch2 data-section-id=\"14jk4wc\" data-start=\"899\" data-end=\"926\"\u003eSymptoms \/ Fault Codes\u003c\/h2\u003e\n\u003cp data-start=\"927\" data-end=\"966\"\u003eCommon symptoms of failure may include:\u003c\/p\u003e\n\u003cul data-start=\"968\" data-end=\"1138\"\u003e\n\u003cli data-section-id=\"1e8aa3i\" data-start=\"968\" data-end=\"990\"\u003eCheck engine light\u003c\/li\u003e\n\u003cli data-section-id=\"tb88yx\" data-start=\"991\" data-end=\"1039\"\u003eP2200 \/ P229F fault codes (system dependent)\u003c\/li\u003e\n\u003cli data-section-id=\"9918q9\" data-start=\"1040\" data-end=\"1071\"\u003eSCR \/ AdBlue system warning\u003c\/li\u003e\n\u003cli data-section-id=\"1yecva8\" data-start=\"1072\" data-end=\"1114\"\u003eReduced engine performance (limp mode)\u003c\/li\u003e\n\u003cli data-section-id=\"12mwl3m\" data-start=\"1115\" data-end=\"1138\"\u003eIncreased emissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1140\" data-end=\"1143\"\u003e\n\u003ch2 data-section-id=\"1exb13b\" data-start=\"1145\" data-end=\"1167\"\u003eOE \/ Part Numbers\u003c\/h2\u003e\n\u003cul data-start=\"1168\" data-end=\"1183\"\u003e\n\u003cli data-section-id=\"1854p5e\" data-start=\"1168\" data-end=\"1183\"\u003e04L907805AP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1185\" data-end=\"1188\"\u003e\n\u003ch2 data-section-id=\"x9bttf\" data-start=\"1190\" data-end=\"1198\"\u003eFAQ\u003c\/h2\u003e\n\u003ch3 data-section-id=\"qplmuk\" data-start=\"1200\" data-end=\"1235\"\u003eWhat does this NOx sensor do?\u003c\/h3\u003e\n\u003cp data-start=\"1236\" data-end=\"1345\"\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=\"1347\" data-end=\"1385\"\u003eIs this sensor vehicle-specific?\u003c\/h3\u003e\n\u003cp data-start=\"1386\" data-end=\"1560\"\u003eYes. Compatibility is strictly determined by OE number matching. Even small suffix differences (AP vs AN \/ AH \/ etc.) indicate different ECU calibration or hardware revision.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zz2n8o\" data-start=\"1562\" data-end=\"1608\"\u003eCan similar NOx sensors be used instead?\u003c\/h3\u003e\n\u003cp data-start=\"1609\" data-end=\"1710\"\u003eNot recommended. NOx sensors are ECU-calibrated components and must match the exact OE specification.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1n42tnk\" data-start=\"1712\" data-end=\"1746\"\u003eWhich systems use this part?\u003c\/h3\u003e\n\u003cp data-start=\"1747\" data-end=\"1880\"\u003eIt is used in Volkswagen Group diesel SCR (AdBlue) emission systems across selected models depending on engine and ECU configuration.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51863388061828,"sku":"04L907805AP","price":198.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_6593fbd8-93fd-4be1-b190-fb2e20dd59cf.jpg?v=1778947105","url":"https:\/\/www.jslook.com\/products\/volkswagen-nox-sensor-04l907805ap","provider":"ASHENG","version":"1.0","type":"link"}