{"product_id":"o2-oxygen-sensor-upstream-downstream-for-mazda-tribute-2001-2006-3-0l","title":"O2 Oxygen Sensor Upstream Downstream for Mazda Tribute (2001-2006) 3.0L","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 2001-2006 Mazda Tribute (CD2)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This four-piece upstream and downstream oxygen sensor kit monitors pre- and post-catalyst exhaust gas oxygen levels on the \u003cstrong\u003eCD2\u003c\/strong\u003e 2001-2006 Mazda Tribute \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e to regulate closed-loop fuel trim and verify catalytic converter efficiency.\u003c\/p\u003e\u003ch3\u003eThe Stock Mazda Tribute Oxygen Sensor Failure\u003c\/h3\u003e\u003cp\u003eOn the \u003cstrong\u003eCD2\u003c\/strong\u003e Tribute equipped with the \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e, factory oxygen sensors endure severe exhaust manifold thermal cycles exceeding 1,400 degrees Fahrenheit. Over time, heat soak and vibration fracture the zirconia ceramic element, while oil ash or carbon soot fouls the platinum sensing electrodes. Simultaneously, internal heater circuit resistance climbs or burns open, slowing closed-loop fuel trim response and triggering \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0155\u003c\/strong\u003e, or catalyst efficiency \u003cstrong\u003eP0420\u003c\/strong\u003e fault codes.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Oxygen Sensor\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \u0026amp; Heater DTCs:\u003c\/strong\u003e Stored codes such as \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0155\u003c\/strong\u003e, \u003cstrong\u003eP0171\u003c\/strong\u003e, or \u003cstrong\u003eP0420\u003c\/strong\u003e caused by open heater circuits or sluggish voltage switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough Idle \u0026amp; Rich Fuel Consumption:\u003c\/strong\u003e Delayed sensor cross-counts force open-loop enrichment, resulting in elevated fuel consumption and unstable idle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailed Emissions \u0026amp; Catalyst Strain:\u003c\/strong\u003e Unregulated air-fuel mixtures overheat the downstream catalytic substrate, causing failed readiness monitors and converter degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Zirconia Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eReplacing all four sensors simultaneously as a matched set restores balanced bank-to-bank fuel metering across the \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e. Each sensor utilizes a fast-heating zirconia ceramic element housed inside a corrosion-resistant stainless steel body with laser-welded protective shields to block exhaust moisture intrusion. Direct-fit factory-length wiring harnesses and OEM-style weatherproof connectors eliminate splicing, matching specifications for \u003cstrong\u003e234-4045\u003c\/strong\u003e, \u003cstrong\u003e234-4046\u003c\/strong\u003e, and \u003cstrong\u003e234-4609\u003c\/strong\u003e for straightforward plug-and-play installation into stock exhaust bungs.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2x Upstream Oxygen Sensors\u003c\/li\u003e\n\u003cli\u003e2x 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;\"\u003e2001-2006 Mazda Tribute\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\u003eAJ 3.0L V6\u003c\/strong\u003e \/ \u003cstrong\u003eCD2\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;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e4-Wire Heated Zirconia Ceramic \/ Direct-Fit\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;\"\u003e\n\u003cstrong\u003e234-4045\u003c\/strong\u003e, \u003cstrong\u003e234-4046\u003c\/strong\u003e, \u003cstrong\u003e234-4609\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2001-2006 Mazda Tribute 3.0L V6 (2 Upstream \u0026amp; 2 Downstream Positions)\u003c\/li\u003e\n\u003cli\u003eExcludes 4-cylinder Tribute models and 2007-2008 model years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the CD2 Tribute?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2001-2006 Mazda Tribute equipped with the \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e engine. \u003cstrong\u003eExcludes 4-cylinder Tribute models and 2007-2008 model years; confirm engine before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this kit clear P0135, P0155, or P0171 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, when triggered by faulty sensors.\u003c\/strong\u003e Installing matched sensors replacing \u003cstrong\u003e234-4045\u003c\/strong\u003e, \u003cstrong\u003e234-4046\u003c\/strong\u003e, and \u003cstrong\u003e234-4609\u003c\/strong\u003e restores heater circuit resistance and rapid voltage switching across both banks of the \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003eIs wiring splicing or exhaust modification required?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e Each direct-fit sensor includes factory-length leads and OEM-style connectors for thread-in installation into stock exhaust bungs; keep anti-seize strictly on the threads and away from the sensing tip.\u003c\/p\u003e\u003ch3\u003eThe Mazda Precision Standard\u003c\/h3\u003e\u003cp\u003eMatched upstream and downstream sensor replacement restores accurate closed-loop fuel control, clean emissions readiness, and CEL-free operation on the \u003cstrong\u003eCD2\u003c\/strong\u003e Mazda Tribute. Consistent exhaust feedback protects catalytic converters and maintains dependable drivability on the \u003cstrong\u003eAJ 3.0L V6\u003c\/strong\u003e.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68119475093752,"sku":"DS-EOE867ZT5","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-mazda-tribute-2001-2006-3-0l-1.jpg?v=1794723173","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-mazda-tribute-2001-2006-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}