{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-a4-2021-2023-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Audi A4 (2021-2023) 2.0L","description":"\u003ch2\u003eHigh-Performance Ignition Coil and Iridium Spark Plug Kit for 2021-2023 Audi A4\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores Peak Combustion Performance:\u003c\/strong\u003e Direct-replacement ignition service kit engineered to eliminate misfires, unstable idle, and boost-induced spark blow-out on direct-injected turbocharged engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock A4 Thermal Fatigue and Spark Degradation\u003c\/h3\u003e\n\u003cp\u003eThe forced-induction EA888 2.0L platform generates high combustion chamber pressures and elevated engine bay temperatures that rapidly deteriorate factory ignition components. Over continuous thermal cycles, OEM coil-on-plug assemblies suffer internal copper winding resistance breakdown and dielectric epoxy failure. Paired with worn factory plug gap erosion, this voltage leakage leads to acceleration hesitation, rough idle, catalytic converter-fouling unburnt fuel, and ECU misfire codes (P0300–P0304) under boost.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis matched service kit features high-dielectric coil assemblies paired with fine-wire iridium spark plugs. The replacement coils utilize upgraded internal copper windings and heavy-duty silicone boots to resist thermal breakdown and arc flashover. The companion laser-welded iridium spark plugs require lower firing voltages while delivering superior resistance to spark erosion and fouling, ensuring rapid flame kernel expansion and stable combustion across the entire RPM band.\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;\"\u003e2021-2023 Audi A4\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 TFSI (EA888) \/ B9.5 (Typ 8W)\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;\"\u003e201–261 hp \/ 236–273 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;\"\u003eUF716, UF771, UF797, UF752, 06K905110C, 06K905110H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2021-2023 Audi A4 40 TFSI (2.0L Turbo I4)\u003c\/li\u003e\n  \u003cli\u003e2021-2023 Audi A4 45 TFSI quattro (2.0L Turbo I4)\u003c\/li\u003e\n  \u003cli\u003e2021-2023 Audi A4 allroad 45 TFSI quattro (2.0L Turbo I4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered strictly to match German direct-injection engine management parameters, maintaining exact primary\/secondary resistance specifications to eliminate Check Engine lights and ensure seamless factory ECU communication.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448851370232,"sku":"DS-ELQD1ON0A","price":137.95,"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-audi-a4-2021-2023-2-0l-1.jpg?v=1788661400","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-audi-a4-2021-2023-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}