{"product_id":"o2-oxygen-sensor-upstream-downstream-for-honda-civic-2006-2015-1-8l","title":"O2 Oxygen Sensor Upstream Downstream for Honda Civic (2006-2015) 1.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Replacement Oxygen Sensor Kit for 2006-2015 Honda Civic (FA1, FG1, FB2)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Upstream and Downstream O2 Oxygen Sensor Kit monitors exhaust gas stoichiometry on the 2006-2015 Honda Civic to maintain optimal air-fuel ratios, clear check engine codes, and restore factory fuel economy.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Honda Civic Sensor Degradation\u003c\/h3\u003e\n\u003cp\u003eOver extended heat cycles, factory oxygen sensors on the \u003cstrong\u003eR18A1\u003c\/strong\u003e and \u003cstrong\u003eR18Z1\u003c\/strong\u003e engines suffer from internal zirconia element degradation, silicone contamination, and soot accumulation. As heater circuit resistance deviates and response times lag, the ECU defaults to rich open-loop fuel trims, resulting in poor MPG, fouled catalytic converters, and recurrent diagnostic trouble codes such as P0134, P0135, or P0420 across high-mileage \u003cstrong\u003eFA1\u003c\/strong\u003e and \u003cstrong\u003eFB2\u003c\/strong\u003e chassis.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis matched upstream air-fuel ratio sensor and downstream heated oxygen sensor set delivers factory-calibrated voltage signals to the ECM. Manufactured with premium high-temperature ceramic sensing elements and double-protection stainless steel housings, these sensors resist thermal shock and exhaust gas corrosion. Pre-applied anti-seize compound on precision-cut threads and OEM-spec waterproof electrical connectors ensure a drop-in installation, replacing worn components matching OEM numbers \u003cstrong\u003e36531-RNA-003\u003c\/strong\u003e and \u003cstrong\u003e36532-RNA-A01\u003c\/strong\u003e without wire splicing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1PCS Upstream Oxygen (A\/F) Sensor\u003c\/li\u003e\n  \u003cli\u003e1PCS Downstream Oxygen O2 Sensor\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;\"\u003e2006-2015 Honda Civic\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;\"\u003e1.8L R18 (R18A1 \/ R18Z1) \/ FA1, FG1, FB2, FG3\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;\"\u003e140 hp \/ 128 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;\"\u003e211200-2490, 211200-2630, 36531-RNA-003, 36531-RNA-J01, 36532-RMX-A01, 36532-RNA-A01, 36532RMXA01, 36532RNAA01, 234-4350, 234-9124\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\u003e2006-2015 Honda Civic DX, LX, EX, EX-L, HF (1.8L l4 Gas)\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 FA1 \/ FB2 Civic?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2006-2015 Honda Civic equipped with the \u003cstrong\u003eR18\u003c\/strong\u003e 1.8L engine; it does not fit Civic Si 2.0L (K20) or 2.4L (K24) models, nor Hybrid variants.\u003c\/p\u003e\n\n\u003ch4\u003eIs thread lubricant or wire splicing required for installation?\u003c\/h4\u003e\n\u003cp\u003eNo, these units come equipped with direct-fit OE-style harness pigtails and pre-treated threads for a direct plug-and-play installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Honda Caliber\u003c\/h3\u003e\n\u003cp\u003eKeep your JDM daily driver operating at factory efficiency with precision exhaust feedback, restoring smooth power delivery, clean tailpipe emissions, and reliable closed-loop fuel monitoring.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67551329124600,"sku":"DS-E5PKM56SL","price":53.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/o2-oxygen-sensor-upstream-downstream-for-honda-civic-2006-2015-1-8l-1.jpg?v=1790795165","url":"https:\/\/performancechiptuning.com\/products\/o2-oxygen-sensor-upstream-downstream-for-honda-civic-2006-2015-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}