{"product_id":"o2-oxygen-sensor-upstream-downstream-for-volvo-xc90-2007-2014-3-2l","title":"O2 Oxygen Sensor Upstream Downstream for Volvo XC90 (2007-2014) 3.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Oxygen Sensor Kit for 2007-2014 Volvo XC90 (P28)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This 4-piece upstream and downstream oxygen sensor kit monitors exhaust oxygen levels on the \u003cstrong\u003eP28\u003c\/strong\u003e Volvo XC90 \u003cstrong\u003eB6324S 3.2L I6\u003c\/strong\u003e to regulate air-fuel ratios and verify catalyst efficiency.\u003c\/p\u003e\u003ch3\u003eThe Stock Volvo XC90 Oxygen Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory zirconia elements on the \u003cstrong\u003eP28\u003c\/strong\u003e chassis with the \u003cstrong\u003eB6324S 3.2L I6\u003c\/strong\u003e endure severe high-mileage thermal cycling, exhaust soot, and trace oil contamination. As porous platinum electrodes degrade and internal heaters burn out, voltage switching slows and skews fuel trims. Sluggish response across both banks forces rich open-loop fueling, triggering \u003cstrong\u003eP0130\u003c\/strong\u003e, \u003cstrong\u003eP0150\u003c\/strong\u003e, \u003cstrong\u003eP0135\u003c\/strong\u003e, and \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e 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 \/ DTCs:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0133\u003c\/strong\u003e (slow response), \u003cstrong\u003eP0141\u003c\/strong\u003e (heater circuit), or \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRough Idle \u0026amp; Hesitation:\u003c\/strong\u003e Biased Lambda feedback causes erratic fuel trims and sluggish throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Fuel Consumption:\u003c\/strong\u003e Rich open-loop fueling drops MPG and fails OBD-II emissions readiness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Zirconia Oxygen Sensor Solution\u003c\/h3\u003e\u003cp\u003eThis matched 4-sensor kit replaces both upstream and downstream probes simultaneously with OEM-length harnesses and keyed connectors for plug-and-play installation. Each probe features a laser-welded stainless housing, dual-shielded sensing tip, and fast-acting internal ceramic heater for rapid light-off. Built to interchange directly with \u003cstrong\u003e234-4451\u003c\/strong\u003e and \u003cstrong\u003e234-4453\u003c\/strong\u003e, these direct-fit sensors eliminate wire splicing and restore accurate closed-loop Lambda control.\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;\"\u003e2007, 2009-2014 Volvo XC90\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;\"\u003eB6324S 3.2L I6 \/ P28\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; Sensor Spec\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eHeated Zirconia (2 Upstream \/ 2 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;\"\u003e234-4451, 234-4453\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2007 Volvo XC90 3.2L\u003c\/li\u003e\n\u003cli\u003e2009-2014 Volvo XC90 3.2L (2008 model year excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the P28 XC90?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Direct fit for 2007 and 2009-2014 Volvo XC90 \u003cstrong\u003eB6324S 3.2L I6\u003c\/strong\u003e models. \u003cstrong\u003eExcludes the 2008 model year, 2.5T, T6, and 4.4L V8 engines; confirm year and engine before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0135 or P0420\/P0430 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, if caused by sensor failure.\u003c\/strong\u003e New probes restore switching speed to clear \u003cstrong\u003eP0135\u003c\/strong\u003e\/\u003cstrong\u003eP0141\u003c\/strong\u003e codes, though damaged catalytic substrates still trigger \u003cstrong\u003eP0420\/P0430\u003c\/strong\u003e.\u003c\/p\u003e\u003ch4\u003eIs splicing required for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e All sensors include factory-style connectors; torque into exhaust bungs and reset ECM fuel trims after installation.\u003c\/p\u003e\u003ch3\u003eThe Volvo Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered for European emissions compliance, this kit restores factory ECM precision and CEL-free operation. Protect catalytic efficiency and maintain reliable closed-loop fueling.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68115591758072,"sku":"DS-EIQYJ557F","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-volvo-xc90-2007-2014-3-2l-1.jpg?v=1794706497","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-volvo-xc90-2007-2014-3-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}