{"product_id":"ignition-coil-and-iridium-spark-plugs-for-toyota-corolla-2009-2010-2-4l","title":"Ignition Coil and Iridium Spark Plugs for Toyota Corolla (2009-2010) 2.4L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2009-2010 Toyota Corolla\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores complete combustion efficiency and eliminates primary ignition misfires by replacing degraded coil-on-plug boots and worn spark plugs with heavy-duty copper windings and fine-wire iridium electrodes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Corolla Secondary Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eUnder sustained thermal cycling within the compact 2.4L engine bay, factory coil packs suffer dielectric breakdown across the internal epoxy potting and secondary windings. This insulation fatigue causes high-voltage arc-through to the cylinder head rather than across the plug gap, resulting in erratic idle, hesitation under heavy load, and catalytic converter-damaging P0300-P0304 misfire DTCs. Paired with eroded factory ground electrodes, ignition demand spikes beyond what fatigued OEM coils can deliver.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete tune-up kit utilizes high-conductivity electrolytic copper windings encased in reinforced thermal-resistant epoxy to resist internal voltage tracking and heat soak. Paired with high-melting-point iridium core spark plugs, the assembly lowers required ionization voltage while delivering a consistent, high-energy spark kernel to ensure complete flame-front propagation across all operational load and RPM ranges.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2009-2010 Toyota Corolla\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2AZ-FE \/ E140 (AZE141)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e158 hp \/ 162 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF333, UF-333, 90919-02244\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2009 Toyota Corolla XRS 2.4L 4-Cylinder (2AZ-FE)\u003c\/li\u003e\n  \u003cli\u003e2010 Toyota Corolla XRS 2.4L 4-Cylinder (2AZ-FE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Toyota JDM Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact Japanese platform tolerances, this ignition system restores crisp throttle response, stabilizes idle harmonics, and delivers reliable high-RPM combustion stability without triggering check engine codes.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451950403832,"sku":"DS-ECCZTS133","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-toyota-corolla-2009-2010-2-4l-1.jpg?v=1788714228","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-toyota-corolla-2009-2010-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}