{"product_id":"o2-oxygen-sensor-upstream-downstream-for-honda-accord-2008-2012-3-5l","title":"O2 Oxygen Sensor Upstream Downstream for Honda Accord (2008-2012) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream \u0026amp; Downstream O2 Sensor Kit for 2008-2012 Honda Accord (CP3\/CS2)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This 4-piece sensor kit restores air-fuel monitoring and catalyst feedback on 2008-2012 Honda Accord (\u003cstrong\u003eCP3\/CS2\u003c\/strong\u003e) \u003cstrong\u003eJ35Z2 \/ J35Z3 3.5L V6\u003c\/strong\u003e engines.\u003c\/p\u003e\u003ch3\u003eThe Stock Honda Accord Oxygen Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory oxygen sensors on the \u003cstrong\u003eCP3\/CS2\u003c\/strong\u003e Accord equipped with the \u003cstrong\u003eJ35Z2 \/ J35Z3 3.5L V6\u003c\/strong\u003e endure severe exhaust heat soak and oil vapor fouling. Over time, zirconia ceramic elements crack from thermal shock while internal heater filaments burn out and platinum electrodes suffer silicone poisoning. This degradation causes sluggish millivolt switching, skewed fuel trims, and fault codes like \u003cstrong\u003eP0134\u003c\/strong\u003e, \u003cstrong\u003eP0154\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, and \u003cstrong\u003eP0161\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Oxygen Sensor\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0134\u003c\/strong\u003e, \u003cstrong\u003eP0154\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, \u003cstrong\u003eP0161\u003c\/strong\u003e, or \u003cstrong\u003eP0171\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon Fouling:\u003c\/strong\u003e Ash coats the sensing tip, delaying voltage switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Running:\u003c\/strong\u003e Forces open-loop fueling, causing rough idle and failed emissions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eEngineered to replace OEM numbers \u003cstrong\u003e234-5098\u003c\/strong\u003e, \u003cstrong\u003e234-4461\u003c\/strong\u003e, \u003cstrong\u003e36542R70A01\u003c\/strong\u003e, \u003cstrong\u003e36542R71L01\u003c\/strong\u003e, \u003cstrong\u003e36532RN0A01\u003c\/strong\u003e, and \u003cstrong\u003e226A0-JA10C\u003c\/strong\u003e, this matched 4-sensor set restores closed-loop ECU calibration across Bank 1 and Bank 2. Laser-welded stainless housings, high-temp ceramic elements, and fast-acting internal heaters ensure rapid light-off and accurate signal voltage. Factory weatherproof connectors and OEM-length harnesses bolt into stock bungs with zero splicing.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Upstream Oxygen Sensors\u003c\/li\u003e\n\u003cli\u003e2 Downstream Oxygen Sensors\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;\"\u003e2008-2012 Honda Accord\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;\"\u003eJ35Z2 \/ J35Z3 3.5L V6 \/ CP3 \/ CS2\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; Sensing\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eWideband AFR (Upstream) \/ Heated Zirconia (Downstream)\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;\"\u003e226A0-JA10C, 234-4461, 234-5098, 36542R70A01, 36542R71L01, 36532RN0A01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2008-2010 Honda Accord 3.5L (Automatic Transmission without California Emissions)\u003c\/li\u003e\n\u003cli\u003e2008-2010 Honda Accord 3.5L (Manual Transmission with California Emissions)\u003c\/li\u003e\n\u003cli\u003e2011-2012 Honda Accord 3.5L (Confirm Engine Before Ordering)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the CP3\/CS2 Accord?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Fits 2008-2012 Accord \u003cstrong\u003eCP3\/CS2\u003c\/strong\u003e \u003cstrong\u003eJ35Z2 \/ J35Z3 3.5L V6\u003c\/strong\u003e. \u003cstrong\u003e2008-2010: Automatic without California emissions or Manual with California emissions only.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0134\/P0141\/P0154\/P0161 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Resolves O2 heater and response codes (\u003cstrong\u003eP0134\u003c\/strong\u003e, \u003cstrong\u003eP0154\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, \u003cstrong\u003eP0161\u003c\/strong\u003e) once ECU memory is cleared.\u003c\/p\u003e\u003ch4\u003eAre connectors and threads ready for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Sensors include OE weatherproof connectors; apply anti-seize only to threads—never the tip—and torque to spec.\u003c\/p\u003e\u003ch3\u003eThe Honda Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered for JDM exhaust flow efficiency and accurate ECU feedback, this matched set restores crisp throttle response and emissions compliance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68115581010168,"sku":"DS-EE2CBGG7K","price":133.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-honda-accord-2008-2012-3-5l-1.jpg?v=1794706253","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-honda-accord-2008-2012-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}