{"product_id":"ignition-coil-and-iridium-spark-plugs-for-volvo-xc90-2003-2006-2-9l","title":"Ignition Coil and Iridium Spark Plugs for Volvo XC90 (2003-2006) 2.9L","description":"\u003ch2\u003eDirect-Fit Ignition Coil \u0026amp; Iridium Spark Plug Service Kit for 2003-2006 Volvo XC90\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores factory secondary ignition output and combustion stability across all six cylinders on twin-turbocharged 2.9L T6 powerplants.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock XC90 Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eUnder continuous thermal load from the twin-turbocharged setup, the factory B6294T coil-on-plug packs suffer severe dielectric degradation. Thermal cycling causes the factory potting compound and resin casings to form micro-fissures, allowing high-voltage current to leak directly to the cylinder head casting rather than traversing the spark plug gap. Concurrently, standard worn spark plug electrodes suffer from gap erosion, requiring higher strike voltages that overstress internal primary windings. The result is chronic under-boost misfires, rough idle, reduced fuel efficiency, and P0300–P0306 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service package replaces degraded components with six heavy-duty ignition coils utilizing reinforced oxygen-free copper primary and secondary windings potted in high-dielectric epoxy. Precision-molded terminal boots withstand sustained oil vapor and engine bay heat soak to prevent flashover. Paired with fine-wire iridium spark plugs, this configuration lowers overall ionization resistance, maximizes spark delivery across the combustion chamber, and maintains stable flame-front propagation under high manifold pressures.\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;\"\u003e2003-2006 Volvo XC90 2.9L\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;\"\u003eB6294T \/ P2\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;\"\u003e268 hp \/ 280 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;\"\u003eUF341, 30713416, 307134160, 9125601, C1258, 5C1320, 178-8333, 0221604001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2003 Volvo XC90 T6 2.9L Twin Turbo Inline-6 (Chassis: P2, Engine: B6294T)\u003c\/li\u003e\n  \u003cli\u003e2004 Volvo XC90 T6 2.9L Twin Turbo Inline-6 (Chassis: P2, Engine: B6294T)\u003c\/li\u003e\n  \u003cli\u003e2005 Volvo XC90 T6 2.9L Twin Turbo Inline-6 (Chassis: P2, Engine: B6294T)\u003c\/li\u003e\n  \u003cli\u003e2006 Volvo XC90 T6 2.9L Twin Turbo Inline-6 (Chassis: P2, Engine: B6294T)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Volvo Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to precise European electrical tolerances, this ignition system integrates seamlessly with factory ECM dwell maps for reliable, misfire-free performance and zero check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448897605880,"sku":"DS-EMH9K9PI5","price":129.95,"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-volvo-xc90-2003-2006-2-9l-1.jpg?v=1788662771","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-volvo-xc90-2003-2006-2-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}