{"product_id":"o2-oxygen-sensor-upstream-downstream-for-gmc-canyon-2015-2016-3-6l","title":"O2 Oxygen Sensor Upstream Downstream for GMC Canyon (2015-2016) 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Upstream and Downstream Oxygen Sensor Set for 2015-2016 GMC Canyon (RG)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 4-piece oxygen sensor kit monitors pre- and post-catalytic converter exhaust gas composition on the 2015-2016 GMC Canyon to restore closed-loop fuel trimming and optimize catalytic converter efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Canyon Oxygen Sensor Deterioration\u003c\/h3\u003e\n\u003cp\u003eFactory lambda sensors on the high-feature \u003cstrong\u003eLFX\u003c\/strong\u003e V6 engine suffer from severe thermal cycling, oil vapor poisoning, and carbon soot accumulation over extended duty cycles. In the \u003cstrong\u003eRG\u003c\/strong\u003e platform Canyon, aging internal zirconium dioxide ceramic elements lose operational reactivity, generating sluggish voltage transitions between 0.1V (lean) and 0.9V (rich). This sensor degradation forces the Powertrain Control Module (PCM) to rely on corrupted short-term fuel trims (STFT), triggering diagnostic trouble codes such as P0131, P0137, P0420, or P0430, accompanied by degraded fuel economy and rough idle conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive replacement kit includes planar-style sensor cores featuring fast-heating ceramic elements designed to reach standard 600°F operating temperatures within seconds of a cold start. Sealed with double-layer 304 stainless steel protective shells to resist external debris and thermal shock, these sensors utilize precision porous platinum electrodes for instantaneous AFR tracking. Direct OE-matched harness plugs and pre-treated high-temperature anti-seize threads ensure gas-tight seating in \u003cstrong\u003e12590035\u003c\/strong\u003e and \u003cstrong\u003e12640453\u003c\/strong\u003e exhaust locations, suppressing false catalytic degradation codes and re-establishing stoichiometric 14.7:1 combustion control.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2x Upstream Oxygen Sensors (Bank 1 Sensor 1, Bank 2 Sensor 1)\u003c\/li\u003e\n  \u003cli\u003e2x Downstream Oxygen Sensors (Bank 1 Sensor 2, Bank 2 Sensor 2)\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: 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;\"\u003e2015-2016 GMC Canyon\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;\"\u003e3.6L V6 (LFX) \/ RG (GMT 31XX)\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;\"\u003e305 hp \/ 269 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;\"\u003eS4-4565, 234-4566, 12590035, 12597449, 12616203, 12634064, 2344818, 12596688, 12634085, 12640453, 1821378J10, 2344259, 2344840\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\u003e2015 GMC Canyon Base 3.6L V6 (LFX)\u003c\/li\u003e\n  \u003cli\u003e2015 GMC Canyon SLE 3.6L V6 (LFX)\u003c\/li\u003e\n  \u003cli\u003e2015 GMC Canyon SLT 3.6L V6 (LFX)\u003c\/li\u003e\n  \u003cli\u003e2016 GMC Canyon Base 3.6L V6 (LFX)\u003c\/li\u003e\n  \u003cli\u003e2016 GMC Canyon SLE 3.6L V6 (LFX)\u003c\/li\u003e\n  \u003cli\u003e2016 GMC Canyon SLT 3.6L V6 (LFX)\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 RG Canyon?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2015-2016 GMC Canyon equipped with the \u003cstrong\u003eLFX\u003c\/strong\u003e 3.6L V6 engine; this set does not fit the 2.5L I4 or 2.8L Duramax Diesel powertrains.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to clear ECM codes after installation?\u003c\/h4\u003e\n\u003cp\u003eYes, performing an ECM code clear and a fuel trim reset using an OBD-II scan tool is required to wipe stored adaptive fuel values and initiate new baseline oxygen sensor readiness monitors.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Truck Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to endure the thermal abuse of heavy towing and high-payload hauls, these direct-replacement sensors ensure your Canyon maintains clean emissions and accurate lambda regulation under continuous heavy load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551495422200,"sku":"DS-E8ROI448S","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-gmc-canyon-2015-2016-3-6l-1.jpg?v=1790797511","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-gmc-canyon-2015-2016-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}