{"product_id":"o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2011-2014-3-5l","title":"O2 Oxygen Sensor Upstream Downstream for Ford F-150 (2011-2014) 3.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit O2 Oxygen Sensor Kit for 2011-2014 Ford F-150 (P415)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The O2 Oxygen Sensor Upstream Downstream Kit monitors exhaust gas stoichiometry and catalyst efficiency on the 2011-2014 Ford F-150 to restore closed-loop fuel trim accuracy and eliminate check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford F-150 Sensor Contamination and Thermal Fatigue\u003c\/h3\u003e\n\u003cp\u003eOn the twin-turbocharged \u003cstrong\u003e3.5L EcoBoost\u003c\/strong\u003e platform, stock heated oxygen sensors undergo severe thermal cycling and constant exposure to high-pressure blow-by and exhaust soot. Over time, the internal zirconia sensing elements suffer from silica poisoning, soot accumulation, and slow switching response times. This degradation forces the PCM into conservative open-loop fueling maps, creating rich fuel trims, fouled spark plugs, reduced catalytic converter service life, and persistent diagnostic trouble codes like P0135, P0155, P0420, or P0430.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis four-piece upstream and downstream sensor kit replaces worn factory units with high-temperature planar ceramic elements engineered to withstand extreme pre-turbo and post-catalyst exhaust environments. Featuring stainless steel protective heat shields and factory-matched terminal pinouts, these sensors deliver rapid millivolt signal response to keep air-fuel ratios locked at optimal lambda. Direct OE-spec harness lengths ensure plug-and-play installation without wire splicing or pin re-clocking.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2X Upstream Oxygen Sensor\u003c\/li\u003e\n  \u003cli\u003e2X 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;\"\u003e2011-2014 Ford F-150\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;\"\u003e3.5L EcoBoost V6 \/ P415\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;\"\u003e365 hp \/ 420 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;\"\u003e234-4490, 234-5076, 234-5113, 8F9Z-9F472-D, 8F9Z-9F472-E, 8F9Z9F472D, 8F9Z9F472E, BR3Z-9G444-A, BR3Z9G444A, 234-5097, 2345097, 8F9Z-9F472-F, 8F9Z9F472F\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\u003e2011-2014 Ford F-150 3.5L V6 (All trims: XL, XLT, Lariat, King Ranch, Platinum, FX2, FX4, Limited)\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 P415 F-150?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2014 Ford F-150 equipped with the \u003cstrong\u003e3.5L EcoBoost\u003c\/strong\u003e engine. \u003cstrong\u003eDoes not fit 3.7L V6, 5.0L V8, or 6.2L V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eShould fuel trims be reset after installation?\u003c\/h4\u003e\n\u003cp\u003eYes, resetting the PCM keep-alive memory (KAM) clears historical rich or lean trim compensation, allowing the new sensors to establish correct base closed-loop fueling immediately.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eWhen towing heavy payloads under continuous turbo boost, precise exhaust gas oxygen feedback is mandatory to protect your catalytic converters and prevent lean detonation under high engine load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551328076024,"sku":"DS-E15JG7DY9","price":83.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2011-2014-3-5l-1.jpg?v=1790795137","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2011-2014-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}