{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-focus-2000-2011-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Ford Focus (2000-2011) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2000-2011 Ford Focus\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores high-voltage ignition energy and peak combustion efficiency by replacing degraded factory coil-on-plug units and worn spark plugs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Focus Coil Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory ignition coils on the 2.0L engine operate directly above the cylinder head where sustained thermal cycling degrades internal epoxy insulation and copper windings. Over time, heat soak creates micro-fractures in the coil casing, leading to secondary winding voltage leakage, hesitation under load, erratic idle, and P0300-series misfire trouble codes. Standard nickel spark plugs simultaneously suffer from rapid electrode erosion, widening the spark gap and overworking the secondary ignition circuit.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit pairs four upgraded coil-on-plug assemblies featuring high-grade oxygen-free copper windings with four fine-wire iridium spark plugs. The internal winding architecture delivers stable kilovolt output across the entire RPM band, resisting dielectric breakdown. The laser-welded iridium center electrodes maintain tight gap tolerances under extreme cylinder temperatures, providing lower ignition voltage demand, complete flame-front propagation, and stable fuel burn.\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;\"\u003e2000-2011 Ford Focus\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;\"\u003e2.0L Duratec 20 (DOHC) \/ C170\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;\"\u003e136 hp \/ 136 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFD505, FD-505, UF621, UF-621\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000-2011 Ford Focus (S, SE, SES, SEL, ZX3, ZX4, ZX5, ZTS) 2.0L L4 Gas DOHC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Commuter Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet exact OEM mechanical dimensions and electrical resistance profiles, this tune-up kit eliminates misfires, optimizes cold-start cranking, and preserves factory fuel economy without triggering check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452008075512,"sku":"DS-EGH7OLXEL","price":74.95,"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-ford-focus-2000-2011-2-0l-1.jpg?v=1788716569","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-focus-2000-2011-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}