{"product_id":"o2-oxygen-sensor-upstream-downstream-for-toyota-rav4-2001-2003-2-0l","title":"O2 Oxygen Sensor Upstream Downstream for Toyota RAV4 (2001-2003) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit O2 Sensor Kit for 2001-2003 Toyota RAV4 (XA20)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This 4-piece oxygen sensor kit monitors pre- and post-catalyst exhaust oxygen levels on the 2001-2003 Toyota RAV4 (\u003cstrong\u003eXA20\u003c\/strong\u003e) \u003cstrong\u003e1AZ-FE 2.0L\u003c\/strong\u003e to maintain closed-loop fuel trim precision.\u003c\/p\u003e\u003ch3\u003eThe Stock Toyota RAV4 O2 Sensor Failure\u003c\/h3\u003e\u003cp\u003eOn the \u003cstrong\u003eXA20\u003c\/strong\u003e RAV4 equipped with the dual-bank \u003cstrong\u003e1AZ-FE 2.0L\u003c\/strong\u003e manifold, factory upstream air-fuel ratio sensors and downstream heated O2 sensors endure severe thermal cycling directly off the cylinder head. Over time, internal platinum heater elements fatigue and open-circuit, while silicon, carbon, and oil ash foul the ceramic sensing thimble. Once response rates degrade, the ECM loses closed-loop fuel trim authority, triggering codes like \u003cstrong\u003eP1135\u003c\/strong\u003e, \u003cstrong\u003eP1155\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, and \u003cstrong\u003eP0161\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of Failing OEM Oxygen Sensors\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light:\u003c\/strong\u003e Triggers \u003cstrong\u003eP1135\u003c\/strong\u003e, \u003cstrong\u003eP1155\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, or \u003cstrong\u003eP0161\u003c\/strong\u003e from open heater circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Trim \u0026amp; Idle Instability:\u003c\/strong\u003e Fouled elements delay switching, causing rough idle and \u003cstrong\u003eP0171\u003c\/strong\u003e lean codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions \u0026amp; MPG Loss:\u003c\/strong\u003e Open-loop enrichment increases fuel consumption and fails OBD-II readiness monitors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Upstream \u0026amp; Downstream Solution\u003c\/h3\u003e\u003cp\u003eReplacing all four sensors as a matched set restores balanced Bank 1 and Bank 2 feedback across both exhaust runners. Each sensor utilizes a corrosion-resistant stainless steel housing, laser-welded perforated shield, and fast-lightoff ceramic heater element engineered to match OEM resistance specs for \u003cstrong\u003e89467-42010\u003c\/strong\u003e, \u003cstrong\u003e89467-42020\u003c\/strong\u003e, \u003cstrong\u003e89465-42090\u003c\/strong\u003e, and \u003cstrong\u003e89465-42100\u003c\/strong\u003e. Pre-terminated factory weatherpack connectors and OEM-length heat-sleeved leads ensure true plug-and-play installation into stock exhaust manifold bungs without wire 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;\"\u003e2001-2003 Toyota RAV4\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;\"\u003e1AZ-FE 2.0L \/ XA20\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; Sensor Spec\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDual-Bank Heated Zirconia \/ 2 Upstream \u0026amp; 2 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 Splicing)\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;\"\u003e89467-42010, 89467-42020, 89465-42090, 89465-42100, 234-9023, 234-9028, 5S3979, 5S4119\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2001-2003 Toyota RAV4 2.0L (\u003cstrong\u003e1AZ-FE\u003c\/strong\u003e — Confirm engine before ordering)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the XA20 RAV4?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2001-2003 Toyota RAV4 equipped with the \u003cstrong\u003e1AZ-FE 2.0L\u003c\/strong\u003e engine. \u003cstrong\u003eExcludes 2004-2005 XA20 models equipped with the 2.4L 2AZ-FE engine.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P1135\/P1155 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Replaces faulty upstream A\/F and downstream HO2S units causing \u003cstrong\u003eP1135\u003c\/strong\u003e, \u003cstrong\u003eP1155\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, or \u003cstrong\u003eP0161\u003c\/strong\u003e; clear stored DTCs post-install.\u003c\/p\u003e\u003ch4\u003eAre connectors plug-and-play?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Pre-terminated OEM connectors eliminate wire splicing; clean exhaust bungs and torque sensors cleanly to 30 lb-ft.\u003c\/p\u003e\u003ch3\u003eThe Toyota Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered to restore factory \u003cstrong\u003e1AZ-FE\u003c\/strong\u003e fuel control, this matched 4-sensor kit eliminates skewed fuel trims and recurring emissions faults. Expect crisp closed-loop ECU response and CEL-free daily drivability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68094231347448,"sku":"DS-ETC7WGF9U","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-toyota-rav4-2001-2003-2-0l-1.jpg?v=1794617930","url":"https:\/\/performancechiptuning.com\/fr\/products\/o2-oxygen-sensor-upstream-downstream-for-toyota-rav4-2001-2003-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}