{"product_id":"o2-oxygen-sensor-downstream-for-lexus-ct-2011-2016-1-8l","title":"O2 Oxygen Sensor Downstream for Lexus CT (2011-2016) 1.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Downstream O2 Oxygen Sensor for 2011-2016 Lexus CT (ZWA10)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The downstream oxygen sensor monitors catalytic converter efficiency and fine-tunes closed-loop fuel trims on the 2011-2016 Lexus CT to prevent false catalyst efficiency codes and maintain optimum fuel economy.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Lexus CT Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory secondary oxygen sensors on the \u003cstrong\u003eZWA10\u003c\/strong\u003e chassis frequently suffer from thermal fatigue, silica poisoning, and heavy carbon contamination caused by the intermittent start-stop duty cycle of the hybrid powertrain. Over time, the internal planar zirconia element slows in signal response, causing the engine control module to trigger diagnostic trouble codes like P0136, P0138, or false P0420 catalyst efficiency warnings, degrading closed-loop fuel trim accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit downstream oxygen sensor restores reliable factory-spec signal output using a high-density, dual-layer zirconia ceramic sensing core housed within a corrosion-resistant 304 stainless steel sheath. Built with an internal heating element for rapid operating-temperature light-off, this sensor features factory-pinned weather-pack terminal connectors and high-temperature cross-linked polyethylene wiring insulation that resists heat soak and vibration wear behind the catalytic converter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Downstream Oxygen Sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \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;\"\u003e2011-2016 Lexus CT\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\u003eZWA10\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;\"\u003e134 hp \/ 105 lb-ft\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;\"\u003e\n\u003cstrong\u003eS4-4400\u003c\/strong\u003e, \u003cstrong\u003e250-24870\u003c\/strong\u003e, \u003cstrong\u003e25024870\u003c\/strong\u003e, \u003cstrong\u003e350-34074\u003c\/strong\u003e, \u003cstrong\u003e35034074\u003c\/strong\u003e, \u003cstrong\u003e89465-47080\u003c\/strong\u003e, \u003cstrong\u003e8946547080\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2011-2016 Lexus CT200h Base 1.8L L4 Hybrid (2ZR-FXE)\u003c\/li\u003e\n  \u003cli\u003e2011-2016 Lexus CT200h F Sport 1.8L L4 Hybrid (2ZR-FXE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the ZWA10 CT?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2016 Lexus CT equipped with the \u003cstrong\u003e2ZR-FXE\u003c\/strong\u003e 1.8L hybrid engine in the downstream (post-catalytic converter) position.\u003c\/p\u003e\n\n\u003ch4\u003eWill installing this resolve a downstream check engine light without wire splicing?\u003c\/h4\u003e\n\u003cp\u003eYes, this sensor features a pre-wired factory connector for true plug-and-play installation without wire cutting, splicing, or repinning.\u003c\/p\u003e\n\n\u003ch3\u003eThe Lexus Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to Japanese OEM manufacturing tolerances, this downstream sensor matches original electrical resistance values to clear diagnostic emissions fault codes and ensure long-term hybrid drive efficiency.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551486116088,"sku":"DS-E69NDHOQB","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-downstream-for-lexus-ct-2011-2016-1-8l-1.jpg?v=1790797112","url":"https:\/\/performancechiptuning.com\/de\/products\/o2-oxygen-sensor-downstream-for-lexus-ct-2011-2016-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}