{"product_id":"o2-oxygen-sensor-upstream-downstream-for-ram-promaster-2014-2021-3-6l","title":"O2 Oxygen Sensor Upstream Downstream for RAM ProMaster (2014-2021) 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream \u0026amp; Downstream O2 Oxygen Sensor Kit for 2014-2021 RAM ProMaster (VF)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This matched four-piece O2 sensor kit monitors pre- and post-catalyst exhaust oxygen on 2014-2021 RAM ProMaster (\u003cstrong\u003eVF\u003c\/strong\u003e) \u003cstrong\u003eERB 3.6L Pentastar V6\u003c\/strong\u003e models for closed-loop fueling.\u003c\/p\u003e\u003ch3\u003eThe Stock RAM ProMaster Oxygen Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory O2 sensors on the \u003cstrong\u003eVF\u003c\/strong\u003e ProMaster endure severe thermal cycling and exhaust condensation inside the \u003cstrong\u003eERB 3.6L Pentastar V6\u003c\/strong\u003e manifolds and y-pipe. Over high mileage, zirconia sensing elements suffer carbon fouling, silicone contamination, or thermal shock fracture. Internal heater circuits also degrade, triggering resistance codes like \u003cstrong\u003eP0135\u003c\/strong\u003e and \u003cstrong\u003eP0141\u003c\/strong\u003e. Once switching slows, the PCM loses lambda accuracy, setting \u003cstrong\u003eP0133\u003c\/strong\u003e and erratic fuel trims.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM O2 Sensor\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, \u003cstrong\u003eP0133\u003c\/strong\u003e, or \u003cstrong\u003eP0171\/P0174\u003c\/strong\u003e from sluggish voltage switching or heater failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Fueling \u0026amp; Fouled Plugs:\u003c\/strong\u003e Skewed upstream air-fuel data forces rich open-loop operation under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailed Emissions Testing:\u003c\/strong\u003e Sluggish downstream cross-counts trigger false \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e warnings and poor fuel economy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Heated Zirconia Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eThis matched four-sensor kit restores rapid lambda switching across Bank 1 and Bank 2 on the \u003cstrong\u003eVF\u003c\/strong\u003e platform. Laser-welded stainless housings shield high-purity zirconia ceramic elements against exhaust moisture and thermal shock. Factory-crimped harnesses and OEM-profile connectors eliminate wiring splices or signal resistance drops. Direct-fit thread geometry seats cleanly in stock bungs for leak-free sealing and immediate closed-loop PCM synchronization.\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;\"\u003e2014-2021 RAM ProMaster\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;\"\u003eERB 3.6L Pentastar V6 \/ VF\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 Engine Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e280 hp \/ 260 lb-ft\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;\"\u003e23018, 23132, 23135, 23138, 23139, 23141, 23143, 23158, 15825, 234-4029, 234-4030, 234-4217, 234-4228, 234-4229\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2014-2021 RAM ProMaster (3.6L) — Upstream \u0026amp; Downstream Positions\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the VF ProMaster?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Direct fit for 2014-2021 RAM ProMaster models with the \u003cstrong\u003eERB 3.6L Pentastar V6\u003c\/strong\u003e. \u003cstrong\u003eExcludes 3.0L EcoDiesel and 2022+ ERC 3.6L engines; confirm engine before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0135, P0141, or P0420\/P0430 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, when sensors are at fault.\u003c\/strong\u003e Resolves heater and response DTCs, while persistent \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e codes indicate catalytic converter failure.\u003c\/p\u003e\u003ch4\u003eAre connectors direct-fit without splicing?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Each sensor includes OEM-style connectors replacing \u003cstrong\u003e234-4029\u003c\/strong\u003e, \u003cstrong\u003e234-4228\u003c\/strong\u003e, and \u003cstrong\u003e234-4229\u003c\/strong\u003e; chase bung threads and torque properly.\u003c\/p\u003e\u003ch3\u003eThe RAM Heavy-Duty Standard\u003c\/h3\u003e\u003cp\u003eCommercial \u003cstrong\u003eVF\u003c\/strong\u003e vans rely on accurate exhaust telemetry to handle heavy payload heat without downtime. Replacing all four sensors together balances Bank 1 and Bank 2 fuel trims.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68115305201912,"sku":"DS-EAMJFYC2E","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-ram-promaster-2014-2021-3-6l-1.jpg?v=1794703280","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-ram-promaster-2014-2021-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}