{"product_id":"oxygen-sensors-for-toyota-prius-2015-2016-1-8l-upstream-downstream","title":"Oxygen Sensors for Toyota Prius (2015-2016) 1.8L Upstream \u0026 Downstream","description":"\u003ch2\u003eDirect-Fit Oxygen Sensor Replacement Kit for 2015-2016 Toyota Prius\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Upstream and Downstream Oxygen Sensor Kit replaces degraded factory exhaust gas sensors on the 2015-2016 Toyota Prius to restore closed-loop fuel trim precision, correct air-fuel ratios, and clear check engine diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Toyota Prius Sensor Degradation and Feedback Delay\u003c\/h3\u003e\n\u003cp\u003eOn the 1.8L hybrid platform, thermal cycling between gas-engine shutoff and cold-start transitions accelerates carbon fouling and silica poisoning on factory zirconia sensing elements. Over mileage, the stock sensors suffer from sluggish millivolt response times and degraded internal ceramic heater circuits. In the \u003cstrong\u003e2ZR-FXE\u003c\/strong\u003e Atkinson-cycle engine, a slow-responding upstream air-fuel ratio sensor causes erratic closed-loop short-term fuel trim (STFT) corrections, unburned hydrocarbon buildup, degraded battery charging efficiency, and catalytic converter efficiency codes (P0420, P0138, P0135).\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 2-piece sensor kit provides direct-fit replacement for both upstream (Bank 1 Sensor 1) and downstream (Bank 1 Sensor 2) monitoring positions. Manufactured with high-grade stainless steel housings, laser-welded dual-protection covers, and fast-acting planar ceramic heating elements, these units resist thermal shock from frequent hybrid engine stop-start sequences. Precision-wound internal wiring and pre-terminated OEM-spec harness plugs ensure exact signal resistance and direct plug-and-play installation without wire splicing or pin repinning.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\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;\"\u003e2015-2016 Toyota Prius\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;\"\u003e\n\u003cstrong\u003e2ZR-FXE\u003c\/strong\u003e \/ \u003cstrong\u003eZVW30\u003c\/strong\u003e \u0026amp; \u003cstrong\u003eZVW50\u003c\/strong\u003e\n\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;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e98 hp \/ 105 lb-ft (Engine Only)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\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;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2015 Toyota Prius Base, Two, Three, Four, Five (1.8L L4 Hybrid)\u003c\/li\u003e\n  \u003cli\u003e2016 Toyota Prius Two, Two Eco, Three, Three Touring, Four, Four Touring (1.8L L4 Hybrid)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the ZVW30 and ZVW50 Prius?\u003c\/strong\u003e\u003cbr\u003e Yes, this kit is engineered as a direct replacement for 2015-2016 Toyota Prius models fitted with the 1.8L \u003cstrong\u003e2ZR-FXE\u003c\/strong\u003e hybrid drivetrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to clear engine codes after installing these sensors?\u003c\/strong\u003e\u003cbr\u003e Yes, clearing stored ECM fault codes and resetting learned fuel trims with an OBD-II diagnostic tool is recommended to initialize proper closed-loop feedback immediately.\u003c\/p\u003e\n\n\u003ch3\u003eThe Toyota Standard\u003c\/h3\u003e\n\u003cp\u003eToyota hybrid powertrains demand exact sensor feedback to preserve hyper-efficient stoichiometric combustion. Restoring your exhaust monitoring with matched upstream and downstream sensors ensures optimal fuel economy, compliant emissions testing, and extended catalytic converter life.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50511186624760,"sku":"DS-EOZWKZP8J","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/oxygen-sensors-for-toyota-prius-2015-2016-1-8l-upstream-downstream-1.jpg?v=1789411014","url":"https:\/\/performancechiptuning.com\/es\/products\/oxygen-sensors-for-toyota-prius-2015-2016-1-8l-upstream-downstream","provider":"Performance Chip Tuning","version":"1.0","type":"link"}