{"product_id":"archoil-diesel-fuel-system-cleaner-ar6400-d-12-oz-four-pack-rapid-injector-turbo-dpf-deposit-control","title":"Archoil Diesel Fuel System Cleaner AR6400-D 12 oz Four-Pack — Rapid Injector, Turbo \u0026 DPF Deposit Control","description":"\u003cp\u003e\u003cstrong\u003eArchoil AR6400-D is a concentrated diesel fuel system cleaner that quickly removes injector, turbo, and DPF-forming deposits to restore performance and combustion efficiency.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis four-pack of 12 oz bottles supplies multiple treatments to address deposits that impair injector spray, turbo response, and diesel particulate filter (DPF) function. Formulated for fast action, AR6400-D is designed to be poured directly into the fuel tank and used during normal operation to dissolve and disperse buildup. Regular use helps reduce the frequency of forced DPF regenerations and can return smoother idle, crisper throttle response, and more consistent combustion.\u003c\/p\u003e\n\n\u003ch3\u003eHow does AR6400-D improve injector performance?\u003c\/h3\u003e\n\u003cp\u003eAR6400-D targets carbon and varnish deposits that distort injector spray patterns and restrict flow. By cleaning those deposits, injectors can atomize fuel more consistently, which supports better combustion and throttle response.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRapid-acting formula dissolves common injector deposits.\u003c\/li\u003e\n  \u003cli\u003eRestores spray pattern uniformity for smoother running.\u003c\/li\u003e\n  \u003cli\u003eEach 12 oz bottle treats approximately 30–40 gallons of diesel.\u003c\/li\u003e\n  \u003cli\u003eUse interval: roughly every 5,000 miles or as needed based on duty cycle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this product help turbocharger and DPF issues?\u003c\/h3\u003e\n\u003cp\u003eYes — AR6400-D reduces the formation of deposits that can accumulate on turbo components and in the DPF substrate. It does not repair mechanical damage, but by limiting new buildup it can support restored turbo response and fewer DPF regeneration events.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps control deposits that blunt turbocharger response.\u003c\/li\u003e\n  \u003cli\u003eReduces material contributing to DPF loading and regeneration frequency.\u003c\/li\u003e\n  \u003cli\u003eCompatible with routine preventive maintenance plans.\u003c\/li\u003e\n  \u003cli\u003eFollow-up maintenance with Archoil AR6500 improves long-term results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use AR6400-D in my diesel vehicle?\u003c\/h3\u003e\n\u003cp\u003eUsing AR6400-D is straightforward: pour the recommended dose into the fuel tank and drive normally to allow the cleaner to circulate through the fuel system. One 12 oz bottle treats roughly 30–40 gallons of diesel; repeat at the suggested service interval or when you notice deposit-related symptoms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePour directly into fuel tank before filling or during fueling.\u003c\/li\u003e\n  \u003cli\u003eDrive the vehicle normally to distribute the formula through injectors and fuel lines.\u003c\/li\u003e\n  \u003cli\u003eEach bottle covers 30–40 gallons; four bottles offer multiple treatments.\u003c\/li\u003e\n  \u003cli\u003eUse every ~5,000 miles or as required by operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect after treatment?\u003c\/h3\u003e\n\u003cp\u003eAfter treatment you may notice reduced smoke, a smoother idle, and crisper acceleration as injectors and combustion return toward original performance. Improvements depend on deposit severity; severe mechanical issues will need diagnostic repair rather than a chemical cleaner alone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduced injector fouling improves combustion efficiency.\u003c\/li\u003e\n  \u003cli\u003eBetter turbo responsiveness when deposits were a factor.\u003c\/li\u003e\n  \u003cli\u003eLower DPF loading can mean fewer regenerations.\u003c\/li\u003e\n  \u003cli\u003eMaintain results with regular follow-up treatments like AR6500.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? AR6400-D is aimed at diesel owners and fleet operators looking to restore fuel-system function without invasive service — especially vehicles showing injector-related roughness, sluggish turbo response, or frequent DPF activity due to deposit buildup. It’s suitable for light-duty and heavy-duty diesel engines that run on conventional pump diesel and are maintained with scheduled fuel treatments. For mechanically damaged injectors, turbos, or DPFs, combine chemical cleaning with professional inspection and repair.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much fuel does one 12 oz bottle treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: One 12 oz bottle treats about 30–40 gallons of diesel under normal conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can AR6400-D fix a failed turbo or clogged DPF?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: AR6400-D helps reduce deposits but won’t repair mechanical failures; professional service is needed for damaged parts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Archoil","offers":[{"title":"Default Title","offer_id":48082814304414,"sku":"B08HDDY551","price":124.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/archoil-ar6400d-front-packaging_7513f040-1646-4ccf-8c91-4ef320282a71.jpg?v=1785815233","url":"https:\/\/northtrailauto.ca\/products\/archoil-diesel-fuel-system-cleaner-ar6400-d-12-oz-four-pack-rapid-injector-turbo-dpf-deposit-control","provider":"North Trail Auto","version":"1.0","type":"link"}