{"product_id":"o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2015-2017-2-7l","title":"O2 Oxygen Sensor Upstream Downstream for Ford F-150 (2015-2017) 2.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Oxygen Sensor Set for 2015-2017 Ford F-150 (P552)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 4-piece oxygen sensor kit monitors pre- and post-catalyst exhaust stoichiometry on the 2015-2017 F-150 to restore closed-loop fuel trims, optimize air-fuel ratios, and eliminate emission-related check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford F-150 Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eUnder continuous thermal cycling in the \u003cstrong\u003eP552\u003c\/strong\u003e chassis, factory lambda sensors deteriorate over time. The high exhaust temperatures and direct-injection soot from the twin-turbocharged \u003cstrong\u003e2.7L Nano EcoBoost\u003c\/strong\u003e engine cause carbon contamination and silica poisoning on the internal sensing elements. As response times slow, the powertrain control module (PCM) struggles to manage transient fueling. This leads to rich\/lean bias, sluggish throttle response, reduced fuel economy, catalytic converter strain, and diagnostic trouble codes such as P0135 or P0141.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis full 4-sensor replacement kit restores factory closed-loop feedback latency. Constructed with dual-layered stainless steel protective sleeves, internal ceramic heaters, and refined zirconia planar elements, these sensors resist thermal shock and soot accumulation. Pre-terminated OEM-spec harnesses and factory-calibrated connectors ensure direct plug-and-play installation without wire splicing, matching the signal output and heater resistance profile of OE parts \u003cstrong\u003e234-4968\u003c\/strong\u003e, \u003cstrong\u003e234-5173\u003c\/strong\u003e, and \u003cstrong\u003e234-5174\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2x Upstream Oxygen (O2) Sensors\u003c\/li\u003e\n  \u003cli\u003e2x Downstream Oxygen (O2) Sensors\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;\"\u003e2015-2017 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;\"\u003e2.7L Nano EcoBoost V6 \/ P552\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;\"\u003e325 hp \/ 375 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;\"\u003e234-4968, 234-5173, 234-5174, 2344968, 2345173, 2345174, Y01-601\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\u003e2015 Ford F-150 2.7L V6 EcoBoost (XL, XLT, Lariat)\u003c\/li\u003e\n  \u003cli\u003e2016 Ford F-150 2.7L V6 EcoBoost (XL, XLT, Lariat)\u003c\/li\u003e\n  \u003cli\u003e2017 Ford F-150 2.7L V6 EcoBoost (XL, XLT, Lariat)\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 P552 F-150?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2015-2017 Ford F-150 equipped with the \u003cstrong\u003e2.7L Nano EcoBoost\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit 3.5L EcoBoost, 3.5L Cyclone NA, or 5.0L Coyote V8 variants.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo these sensors require wire splicing or PCM recalibration?\u003c\/h4\u003e\n\u003cp\u003eNo, these direct-fit sensors come complete with factory-pinned electrical plugs and direct-thread bungs for quick installation without aftermarket tuning or wire modifications.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Towing Standard\u003c\/h3\u003e\n\u003cp\u003eHeavy towing and high payload demands require stable closed-loop air-fuel control to maintain exhaust gas temperatures within safe operational limits. Refreshing the full sensor array protects your catalytic converters and maintains reliable torque delivery under load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551332630776,"sku":"DS-EKORJYOQD","price":79.95,"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-150-2015-2017-2-7l-1.jpg?v=1790795197","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2015-2017-2-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}