{"product_id":"ignition-coil-and-iridium-spark-plugs-for-cadillac-elr-2014-2015-1-4l","title":"Ignition Coil and Iridium Spark Plugs for Cadillac ELR (2014-2015) 1.4L","description":"\u003ch2\u003eDirect-Fit Ignition Coil Pack and Iridium Spark Plug Kit for 2014-2015 Cadillac ELR\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil rail and iridium spark plug kit restores secondary ignition voltage and combustion efficiency on the 2014-2015 Cadillac ELR to eliminate high-load misfires and erratic range-extender operation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cadillac ELR Ignition Pack Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 1.4L \u003cstrong\u003eLUU\u003c\/strong\u003e range-extender on the \u003cstrong\u003eDelta II\u003c\/strong\u003e platform packages its ignition components under a tightly sealed engine cover within an enclosed compartment. Over time, sustained heat cycling degrades the internal secondary windings and dielectric potting compound of the factory single-piece ignition rail. This thermal breakdown causes microscopic insulation fractures, high-voltage flashover, and boot carbon tracking. Paired with degraded factory spark plugs featuring eroded nickel or worn precious metal gap tolerances, the weakened spark induces intermittent P0300 through P0304 DTCs, sluggish generator engagement, and uneven generator load transitions during hybrid drive cycling.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete secondary ignition service kit includes an upgraded multi-spark coil pack rail paired with four pre-gapped, high-temp iridium spark plugs. The coil rail features high-grade epoxy potting and premium copper primary\/secondary windings to prevent thermal arc-through under heavy continuous alternator loads. Reinforced silicone dielectric boots resist dry rotting and dielectric puncture. The accompanying iridium spark plugs utilize ultra-fine wire center electrodes and laser-welded ground pads to lower ignition demand voltage, resist fouling, and ensure instantaneous flame kernel propagation under lean air-fuel ratios. Replaces OEM cross-references \u003cstrong\u003e55577898\u003c\/strong\u003e, \u003cstrong\u003eUF669\u003c\/strong\u003e, and \u003cstrong\u003e55579072\u003c\/strong\u003e.\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; margin-bottom: 20px;\"\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;\"\u003e2014-2015 Cadillac ELR\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;\"\u003e1.4L LUU Ecotec I4 \/ Delta II\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;\"\u003e207 hp \/ 295 lb-ft (Combined System)\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;\"\u003e55577898, UF669, 55579072\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2014 Cadillac ELR Base Coupe 2-Door 1.4L L4 Electric\/Gas\u003c\/li\u003e\n  \u003cli\u003e2015 Cadillac ELR Base Coupe 2-Door 1.4L L4 Electric\/Gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the Delta II ELR?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2014-2015 Cadillac ELR equipped with the 1.4L \u003cstrong\u003eLUU\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the included iridium plugs pre-gapped for the 1.4L generator?\u003c\/strong\u003e\u003cbr\u003e Yes, the spark plugs are preset to factory gap specification, though verifying clearance before installation is always standard practice.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cadillac Precision Standard\u003c\/h3\u003e\n\u003cp\u003eLuxury extended-range hybrid drivetrains require strict secondary ignition stability. This direct-replacement ignition assembly ensures OEM communication protocol integrity, smooth generator transitions, and an immediate return to CEL-free reliability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50594368749816,"sku":"DS-EI9COTH60","price":64.95,"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-cadillac-elr-2014-2015-1-4l-1.jpg?v=1790058802","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-cadillac-elr-2014-2015-1-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}