{"product_id":"o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2015-2016-3-5l","title":"O2 Oxygen Sensor Upstream Downstream for Ford F-150 (2015-2016) 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 2015-2016 Ford F-150 (P552)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This 4-piece upstream and downstream O2 sensor kit monitors exhaust air-fuel ratios and catalyst efficiency on the 2015-2016 Ford F-150 (\u003cstrong\u003eP552\u003c\/strong\u003e) \u003cstrong\u003e3.5L V6\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eThe Stock Ford F-150 O2 Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory oxygen sensors on the \u003cstrong\u003eP552\u003c\/strong\u003e F-150 equipped with the \u003cstrong\u003e3.5L V6\u003c\/strong\u003e endure extreme thermal cycling, soot buildup, and exhaust condensation. Over time, internal zirconia ceramic elements suffer contamination, slowing voltage response and skewing closed-loop fuel trims. Heater circuit resistance eventually spikes or opens, delaying warm-up activation. These faults trigger persistent \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0155\u003c\/strong\u003e, or \u003cstrong\u003eP0420\u003c\/strong\u003e\/\u003cstrong\u003eP0430\u003c\/strong\u003e diagnostic trouble codes.\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\u003eP0130\u003c\/strong\u003e, \u003cstrong\u003eP0150\u003c\/strong\u003e, \u003cstrong\u003eP0135\u003c\/strong\u003e, or \u003cstrong\u003eP0420\u003c\/strong\u003e\/\u003cstrong\u003eP0430\u003c\/strong\u003e codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErratic Fuel Trims:\u003c\/strong\u003e Corrupted feedback causes rough idle and throttle hesitation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Fuel Consumption:\u003c\/strong\u003e Open-loop defaulting lowers MPG and fails emissions tests.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Zirconia O2 Sensor Solution\u003c\/h3\u003e\u003cp\u003eReplacing all four sensors as a matched set restores balanced Bank 1 and Bank 2 feedback across upstream and downstream exhaust bungs. Each unit features a laser-welded stainless housing and thermal-shock-resistant zirconia element to prevent leakage and heater burnout. Pre-terminated factory connectors—replacing \u003cstrong\u003e234-4961\u003c\/strong\u003e, \u003cstrong\u003e8F9Z-9F472-G\u003c\/strong\u003e, \u003cstrong\u003e8F9Z-9F472-H\u003c\/strong\u003e, and \u003cstrong\u003eFL3Z-9G444-C\u003c\/strong\u003e—provide plug-and-play installation. Consistent millivolt output stabilizes PCM fueling under load.\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;\"\u003e2015-2016 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 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;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eZirconia Ceramic Sensing Element \/ Upstream \u0026amp; 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 Welding)\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;\"\u003e234-4961, 8F9Z-9F472-G, 8F9Z-9F472-H, FL3Z-9G444-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2015-2016 Ford F-150 3.5L (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 P552 F-150?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Fits 2015-2016 Ford F-150 (\u003cstrong\u003eP552\u003c\/strong\u003e) \u003cstrong\u003e3.5L\u003c\/strong\u003e models. \u003cstrong\u003eExcludes 2.7L and 5.0L engines; verify OEM part numbers first.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0135 or P0420 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, if sensors caused the fault.\u003c\/strong\u003e Fresh upstream and downstream units resolve heater and response codes, unless the catalyst itself is damaged.\u003c\/p\u003e\u003ch4\u003eAre connectors ready for bolt-on installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Pre-wired harnesses install directly into OEM bungs using a 22mm O2 socket without cutting or splicing.\u003c\/p\u003e\u003ch3\u003eThe Ford Heavy-Duty Standard\u003c\/h3\u003e\u003cp\u003eBuilt for sustained exhaust heat and towing loads on the \u003cstrong\u003eP552\u003c\/strong\u003e chassis, matched sensor replacement maintains accurate PCM fueling under boost and grade climbs.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68107204985080,"sku":"DS-E3E9SJ19J","price":94.95,"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-150-2015-2016-3-5l-1.jpg?v=1794680807","url":"https:\/\/performancechiptuning.com\/es\/products\/o2-oxygen-sensor-upstream-downstream-for-ford-f-150-2015-2016-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}