{"product_id":"o2-oxygen-sensor-upstream-downstream-for-lincoln-ls-2000-2006-3-0l-3-9l","title":"O2 Oxygen Sensor Upstream Downstream for Lincoln LS (2000-2006) 3.0L, 3.9L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit O2 Oxygen Sensor Set for 2000-2006 Lincoln LS (DEW98)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 4-piece oxygen sensor kit restores closed-loop engine management and catalytic monitoring on the 2000-2006 Lincoln LS to resolve erratic fuel trims and clear emissions trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Lincoln LS Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory zirconia elements inside the \u003cstrong\u003eDEW98\u003c\/strong\u003e platform sensors degrade from thermal cycling, unburnt hydrocarbons, and silica contamination over time. As response times lag, the powertrain control module cannot accurately regulate stoichiometric air-fuel ratios. This sensor degradation results in rich or lean running conditions, rough idle, poor fuel economy, and diagnostic trouble codes including \u003cstrong\u003eP0130\u003c\/strong\u003e, \u003cstrong\u003eP0161\u003c\/strong\u003e, \u003cstrong\u003eP0420\u003c\/strong\u003e, and \u003cstrong\u003eP0430\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact OEM operational tolerances, these direct-replacement upstream and downstream sensors feature pre-treated stainless-steel bodies with precision-formed ceramic sensing elements for rapid thermal activation. Each unit matches factory lead lengths, heat shielding, and OE-style harness plugs for direct connectivity to the stock wiring loom with zero cutting or splicing. Pre-coated anti-seize threads ensure proper sealing in factory M18 bungs without thread galling.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 Upstream Oxygen Sensors\u003c\/li\u003e\n  \u003cli\u003e2 Downstream Oxygen Sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\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;\"\u003e2000-2006 Lincoln LS\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;\"\u003eDuratec 30 (3.0L V6) \/ AJ30 \u0026amp; AJ35 (3.9L V8) \/ DEW98\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 Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e210-280 hp \/ 205-286 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\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;\"\u003eSG459, 234-4046, 234-4070, 234-4071, 234-4127, 234-4401, 234-4402, SG1801, SG1802, SG1803, SG1806, SG1807\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000-2005 Lincoln LS 3.0L V6 (Duratec)\u003c\/li\u003e\n  \u003cli\u003e2000-2006 Lincoln LS 3.9L V8 (AJ-V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the DEW98 LS?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2006 Lincoln LS equipped with the \u003cstrong\u003eDuratec 30\u003c\/strong\u003e 3.0L V6 or \u003cstrong\u003eAJ30\/AJ35\u003c\/strong\u003e 3.9L V8 engines.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need special tools to complete installation?\u003c\/h4\u003e\n\u003cp\u003eAn oxygen sensor socket or slotted 22mm wrench is recommended to clear wiring harnesses without pinching leads during torquing.\u003c\/p\u003e\n\n\u003ch3\u003eThe Lincoln Calibration Standard\u003c\/h3\u003e\n\u003cp\u003eMaintain precise factory closed-loop fueling and pass emissions inspections without intermittent false-positive check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67910615695608,"sku":"DS-EP851LNMC","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-lincoln-ls-2000-2006-3-0l-3-9l-1.jpg?v=1793392872","url":"https:\/\/performancechiptuning.com\/de\/products\/o2-oxygen-sensor-upstream-downstream-for-lincoln-ls-2000-2006-3-0l-3-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}