{"product_id":"o2-oxygen-sensor-upstream-downstream-for-honda-accord-1995-1997-2-7l","title":"O2 Oxygen Sensor Upstream Downstream for Honda Accord (1995-1997) 2.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream \u0026amp; Downstream O2 Oxygen Sensor Kit for 1995-1997 Honda Accord (CE6)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This matched upstream and downstream oxygen sensor kit restores closed-loop air-fuel ratio control and catalyst monitoring on the 1995-1997 Honda Accord \u003cstrong\u003eCE6\u003c\/strong\u003e powered by the \u003cstrong\u003eC27A4 2.7L V6\u003c\/strong\u003e engine.\u003c\/p\u003e\u003ch3\u003eThe Stock Honda Accord O2 Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory narrowband sensors on the \u003cstrong\u003eCE6\u003c\/strong\u003e chassis with the \u003cstrong\u003eC27A4 2.7L V6\u003c\/strong\u003e suffer severe exhaust thermal cycling and carbon buildup over high mileage. As the zirconia element ages, slow voltage switching delays ECM fuel trim corrections while degraded heater windings spike internal resistance. Oil or coolant contamination further fouls the platinum electrodes, triggering \u003cstrong\u003eP0133\u003c\/strong\u003e, \u003cstrong\u003eP0135\u003c\/strong\u003e, and \u003cstrong\u003eP0141\u003c\/strong\u003e fault codes.\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 \u0026amp; Heater DTCs:\u003c\/strong\u003e Fatigue in the heater circuit or sensing cell triggers \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, or \u003cstrong\u003eP0133\u003c\/strong\u003e slow-response codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Trim Drift \u0026amp; Rich Running:\u003c\/strong\u003e Sluggish millivolt switching forces rich open-loop fueling, causing foul exhaust odors and \u003cstrong\u003eP0171\u003c\/strong\u003e\/\u003cstrong\u003eP0172\u003c\/strong\u003e trim faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions \u0026amp; MPG Loss:\u003c\/strong\u003e Inaccurate post-cat feedback induces false \u003cstrong\u003eP0420\u003c\/strong\u003e catalyst codes, failed smog tests, and reduced highway economy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Zirconia Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eThis matched upstream and downstream kit restores accurate air-fuel feedback using OEM-grade 4-wire heated zirconia ceramics. Laser-welded stainless housings block exhaust moisture intrusion while factory-keyed weatherpack plugs eliminate wiring splices during installation. Precision 0.1V–0.9V signal response and calibrated heater resistance meet \u003cstrong\u003e250-24099\u003c\/strong\u003e, \u003cstrong\u003e250-24601\u003c\/strong\u003e, \u003cstrong\u003e234-4096\u003c\/strong\u003e, and \u003cstrong\u003e234-4099\u003c\/strong\u003e specifications for clean closed-loop operation.\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;\"\u003e1995-1997 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;\"\u003eC27A4 2.7L V6 \/ CE6\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;\"\u003eOBD-II Direct-Fit \/ Heated 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;\"\u003e250-24099, 250-24601, 234-4096, 234-4099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1995 Honda Accord 2.7L V6 (1 Upstream \u0026amp; 1 Downstream)\u003c\/li\u003e\n\u003cli\u003e1996 Honda Accord 2.7L V6 (1 Upstream \u0026amp; 1 Downstream)\u003c\/li\u003e\n\u003cli\u003e1997 Honda Accord 2.7L V6 (1 Upstream \u0026amp; 1 Downstream)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the CE6 Accord?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 1995-1997 Honda Accord equipped with the \u003cstrong\u003eC27A4 2.7L V6\u003c\/strong\u003e engine. \u003cstrong\u003eExcludes 4-cylinder Accord models, 1998-2002 3.0L V6 Accord models, and 1997-1999 Acura CL 3.0L models; confirm engine before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill replacing both sensors clear P0135, P0141, or P0420 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, for sensor faults.\u003c\/strong\u003e Installing fresh \u003cstrong\u003e234-4096\u003c\/strong\u003e and \u003cstrong\u003e234-4099\u003c\/strong\u003e sensors clears \u003cstrong\u003eP0135\u003c\/strong\u003e\/\u003cstrong\u003eP0141\u003c\/strong\u003e heater and slow-response codes, though a \u003cstrong\u003eP0420\u003c\/strong\u003e caused by a fractured catalytic converter core still requires converter service.\u003c\/p\u003e\u003ch4\u003eIs wire splicing or special prep required for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eNo splicing required.\u003c\/strong\u003e Both units use OEM-style connectors and thread straight into factory exhaust bungs; lightly coat threads with anti-seize while avoiding the sensor tip.\u003c\/p\u003e\u003ch3\u003eThe Honda Precision Standard\u003c\/h3\u003e\u003cp\u003eReplacing upstream and downstream sensors as a matched pair restores ECM fuel control and throttle response on your \u003cstrong\u003eC27A4 2.7L V6\u003c\/strong\u003e. Built for thermal stability, this kit keeps your \u003cstrong\u003eCE6\u003c\/strong\u003e Accord emissions-compliant and CEL-free.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68119509795064,"sku":"DS-EUB41I4BF","price":68.95,"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-1995-1997-2-7l-1.jpg?v=1794724463","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-honda-accord-1995-1997-2-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}