{"product_id":"o2-oxygen-sensor-upstream-downstream-for-chrysler-pt-cruiser-2004-2010-2-4l","title":"O2 Oxygen Sensor Upstream Downstream for Chrysler PT Cruiser (2004-2010) 2.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream \u0026amp; Downstream O2 Sensor Kit for 2004-2010 Chrysler PT Cruiser (PT)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This matched O2 sensor kit monitors upstream and downstream exhaust oxygen on 2004-2010 Chrysler \u003cstrong\u003ePT\u003c\/strong\u003e Cruiser \u003cstrong\u003eEDZ \/ EDV 2.4L\u003c\/strong\u003e models for accurate PCM fuel trims.\u003c\/p\u003e\u003ch3\u003eThe Stock Chrysler PT Cruiser Sensor Failure\u003c\/h3\u003e\u003cp\u003eFactory oxygen sensors on the \u003cstrong\u003ePT\u003c\/strong\u003e chassis endure severe thermal cycling and soot buildup from the \u003cstrong\u003eEDZ \/ EDV 2.4L\u003c\/strong\u003e engine. Oil ash, silicone, or coolant residue gradually fouls the zirconia ceramic element, slowing switching rates and skewing air-fuel voltage signals. Simultaneously, internal heater coils suffer resistance spikes or open circuits during cold starts, triggering \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, and lean fault code \u003cstrong\u003eP0171\u003c\/strong\u003e. Replacing a single aging sensor often leaves the opposite bank lagging behind.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Oxygen Sensor\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater \u0026amp; Circuit DTCs:\u003c\/strong\u003e \u003cstrong\u003eP0135\u003c\/strong\u003e, \u003cstrong\u003eP0141\u003c\/strong\u003e, or \u003cstrong\u003eP0131\u003c\/strong\u003e low-voltage codes illuminate the CEL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Running \u0026amp; Soot:\u003c\/strong\u003e Slow upstream response causes heavy fuel consumption and fouled plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailed Emissions:\u003c\/strong\u003e Stalled downstream voltage prevents readiness monitors from clearing \u003cstrong\u003eP0420\u003c\/strong\u003e checks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Heated Zirconia O2 Sensor Solution\u003c\/h3\u003e\u003cp\u003eInstalling a matched upstream and downstream pair restores rapid stoichiometric switching before and after the catalyst. Each direct-fit sensor uses a fast-heating zirconia core inside a laser-welded stainless housing that resists thermal shock and moisture intrusion. Factory-length harnesses with OEM weatherproof plugs connect directly to the \u003cstrong\u003ePT\u003c\/strong\u003e Cruiser sub-harness without splicing. Engineered to replace \u003cstrong\u003e234-4274\u003c\/strong\u003e and \u003cstrong\u003e234-4588\u003c\/strong\u003e, this kit restores accurate closed-loop PCM control.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Upstream Oxygen Sensor\u003c\/li\u003e\n\u003cli\u003e1 Downstream Oxygen Sensor\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;\"\u003e2004-2010 Chrysler PT Cruiser\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;\"\u003eEDZ \/ EDV 2.4L \/ PT\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; Sensing Spec\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eHeated Zirconia \/ 4-Wire Narrowband\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;\"\u003e234-4274, 234-4588\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2004-2010 Chrysler PT Cruiser 2.4L Naturally Aspirated (Upstream \u0026amp; Downstream)\u003c\/li\u003e\n\u003cli\u003e2004-2010 Chrysler PT Cruiser 2.4L Turbocharged (Upstream \u0026amp; Downstream)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the PT Cruiser?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Direct fit for 2004-2010 Chrysler PT Cruiser \u003cstrong\u003eEDZ \/ EDV 2.4L\u003c\/strong\u003e models (Naturally Aspirated \u0026amp; Turbocharged). \u003cstrong\u003eConfirm 2.4L engine before ordering; other Chrysler models are excluded.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0135\/P0141 codes?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Installing \u003cstrong\u003e234-4274\u003c\/strong\u003e and \u003cstrong\u003e234-4588\u003c\/strong\u003e sensors clears heater and response codes once exhaust leaks are fixed and DTCs reset.\u003c\/p\u003e\u003ch4\u003eIs hardware plug-and-play?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Pre-wired OEM plugs require no splicing; torque with an O2 socket without fouling the tip.\u003c\/p\u003e\u003ch3\u003eThe Chrysler Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered for closed-loop accuracy on the \u003cstrong\u003ePT\u003c\/strong\u003e chassis, this sensor pair ensures reliable emissions readiness and trouble-free drivability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68119440654584,"sku":"DS-EZ8ZW1AK8","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-chrysler-pt-cruiser-2004-2010-2-4l-1.jpg?v=1794721823","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-chrysler-pt-cruiser-2004-2010-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}