{"product_id":"ignition-coil-iridium-spark-plugs-for-toyota-4runner-fj-cruiser-2009-2023-4-0l-v6","title":"Ignition Coil \u0026 Iridium Spark Plugs for Toyota 4Runner FJ Cruiser (2009-2023) 4.0L V6","description":"\u003ch2\u003eHigh-Output Ignition Coil \u0026amp; Iridium Spark Plugs for 2009-2023 Toyota FJ Cruiser\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces degraded factory ignition components to restore optimal combustion, resolve misfire codes, and improve efficiency on the 4.0L V6.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock FJ Cruiser Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eOEM ignition coils on the 1GR-FE V6 face intense thermal stress and continuous heat cycling, especially during low-speed off-road crawling or heavy towing. Over time, the internal epoxy insulation breaks down, causing micro-fractures within the coil housing. This degradation leads to critical voltage leakage, increased electrical resistance, and erratic spark timing. Consequently, the engine experiences a noticeable drop in low-end torque, rough idling conditions, incomplete combustion, and cylinder misfires that commonly trigger P0300-series diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition overhaul kit addresses factory electrical shortcomings by utilizing heavy-gauge, high-purity copper wire windings capable of sustaining elevated voltage without thermal degradation. The coils feature advanced internal epoxy resins engineered to resist heat soak and prevent voltage breakdown under extreme load. Paired with fine-wire iridium-tipped spark plugs, the system ensures a highly concentrated spark kernel that delivers a 15% increase in combustion efficiency. The optimized iridium electrode requires significantly less firing voltage, reducing thermal strain on the coil, while OE-grade polymer housings provide superior dielectric strength and exceptional moisture resistance.\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;\"\u003e2009-2023 Toyota FJ Cruiser\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;\"\u003e1GR-FE \/ GSJ15W\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;\"\u003e260 hp \/ 271 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;\"\u003eUF507, UF630, UF487, 90919-02250, 90919-02256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2009-2023 Toyota FJ Cruiser 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e2009-2023 Toyota 4Runner 4.0L V6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Toyota Off-Road Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for maximum durability in harsh environments, ensuring sustained torque delivery, elimination of rough idle, and absolute reliability whether you are crawling steep inclines or towing heavy loads over long distances.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50062576550136,"sku":"DS-E3GKVOWRQ","price":104.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-toyota-4runner-fj-cruiser-2009-2023-4-0l-v6-1.jpg?v=1785169582","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-iridium-spark-plugs-for-toyota-4runner-fj-cruiser-2009-2023-4-0l-v6","provider":"Performance Chip Tuning","version":"1.0","type":"link"}