{"product_id":"o2-oxygen-sensor-upstream-downstream-for-audi-a4-a5-q5-a6-2009-2017-2-0l","title":"O2 Oxygen Sensor Upstream Downstream for Audi A4 A5 Q5 A6 (2009-2017) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit O2 Oxygen Sensor Kit for 2009-2017 Audi A4,A5,Q5,A6 (B8\/C7)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This matched upstream and downstream O2 sensor kit monitors exhaust oxygen on \u003cstrong\u003eB8 \/ C7\u003c\/strong\u003e Audi \u003cstrong\u003eEA888 2.0L TFSI\u003c\/strong\u003e engines for accurate air-fuel control.\u003c\/p\u003e\u003ch3\u003eThe Stock Audi A4,A5,Q5,A6 Failure\u003c\/h3\u003e\u003cp\u003eFactory oxygen sensors on the \u003cstrong\u003eB8 \/ B8.5 \/ C7\u003c\/strong\u003e chassis equipped with the \u003cstrong\u003eEA888 2.0L TFSI\u003c\/strong\u003e engine suffer from extreme exhaust heat soak and direct-injection carbon fouling. Over time, oil vapor and soot glaze the zirconia element while internal heater circuits fatigue, slowing lambda voltage response. This calibration drift triggers \u003cstrong\u003eP0130\u003c\/strong\u003e, \u003cstrong\u003eP0133\u003c\/strong\u003e, or \u003cstrong\u003eP0136\u003c\/strong\u003e fault codes and forces rich open-loop fueling.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Sensor\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Stored \u003cstrong\u003eP0133\u003c\/strong\u003e, \u003cstrong\u003eP0140\u003c\/strong\u003e, or \u003cstrong\u003eP0420\u003c\/strong\u003e codes caused by sluggish sensor switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnstable Fuel Trims:\u003c\/strong\u003e Erratic air-fuel feedback creates rough idle and hesitation under boost.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailed Emissions \/ High MPG:\u003c\/strong\u003e Open-loop enrichment raises tailpipe emissions and fuel consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eReplacing both sensors together using units matching \u003cstrong\u003e350-35064\u003c\/strong\u003e, \u003cstrong\u003eES11083\u003c\/strong\u003e, and \u003cstrong\u003e250-24672\u003c\/strong\u003e restores factory lambda feedback across the exhaust system. Each sensor utilizes a stainless steel housing, laser-welded protective shield, and fast-acting planar zirconia element calibrated for \u003cstrong\u003eEA888 2.0L TFSI\u003c\/strong\u003e thermal loads. Pre-terminated OEM connectors and exact harness lengths allow direct plug-and-play installation with factory electrical resistance and no wire splicing.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Upstream Oxygen Sensor\u003c\/li\u003e\n\u003cli\u003e1 Downstream Oxygen Sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2009-2017 Audi A4,A5,Q5,A6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEA888 2.0L TFSI \/ B8, B8.5, C7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eUpstream \u0026amp; Downstream Zirconia Ceramic Element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect Bolt-On OEM Replacement (No Cutting or Welding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e350-35064, ES11083, 250-24672\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAudi A4 (2009-2016) 2.0L\u003c\/li\u003e\n\u003cli\u003eAudi A5 (2010-2017) 2.0L\u003c\/li\u003e\n\u003cli\u003eAudi Q5 (2011-2017) 2.0L\u003c\/li\u003e\n\u003cli\u003eAudi A6 (2012-2015) 2.0L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the B8 \/ C7 A4,A5,Q5,A6?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Fits listed 2009-2017 Audi A4,A5,Q5,A6 models with the \u003cstrong\u003eEA888 2.0L TFSI\u003c\/strong\u003e engine. \u003cstrong\u003eExcludes V6, TDI, and S\/RS trims; confirm 2.0L engine first.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0130, P0133, or P0140 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Matching \u003cstrong\u003e350-35064\u003c\/strong\u003e, \u003cstrong\u003eES11083\u003c\/strong\u003e, and \u003cstrong\u003e250-24672\u003c\/strong\u003e restores valid lambda feedback, clearing sensor-induced \u003cstrong\u003eP0130\/P0133\/P0140\u003c\/strong\u003e faults after an ECU drive cycle.\u003c\/p\u003e\u003ch4\u003eAre OEM connectors included for direct installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Factory connectors install plug-and-play; torque to spec and keep anti-seize off the tip.\u003c\/p\u003e\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered for Euro emissions precision and \u003cstrong\u003eEA888 2.0L TFSI\u003c\/strong\u003e ECU calibration, this matched kit restores fuel trim accuracy. Expect reliable closed-loop operation and CEL-free drivability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68114474828024,"sku":"DS-E58TH6BQU","price":80.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-audi-a4-a5-q5-a6-2009-2017-2-0l-1.jpg?v=1794698276","url":"https:\/\/performancechiptuning.com\/fr\/products\/o2-oxygen-sensor-upstream-downstream-for-audi-a4-a5-q5-a6-2009-2017-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}