Techron Diesel Fuel System CleanerOne tank application helps maximize fuel economy cleans injectors and restores lost engine power.Techron D Concentrate Diesel Fuel System Cleaner protects and cleans – maximizing everyday reliability, engine power and fuel economy.Maximize Fuel Economy:Restores dirty fuel injectors to like-new condition maximizing fuel economyClean Your Fuel System:Cleans internal diesel injector deposits, indirect injection and high speed direct injection, nozzle-coking depositsBetter Cold Start Performance and Reduced Emissions:Boosts Cetane, improving combustion for reduced emissions and better cold start performanceRestore Lost Engine Power:Techron cleans carbon deposits, dissolves gum and varnish buildup, and helps prevent new deposit formation – restoring lost engine powerWhat it cleansCleans internal diesel injector deposits, indirect injection and high speed direct injection nozzlesRemoves the natural buildup of deposits through the entire fuel systemTreatment Cycle: Every 3,000 Miles Treats up to 35 gallons of diesel fuelRecommended for:All types of diesel engines including new or older technology, pickups, passenger cars, sprinter vans, motorhomes and small enginesWill not harm after treatment devices such as Diesel Particulate Filter (DPFs)Techron Diesel FSC complies with federal low sulfur content requirementsNot for AviationAbout this itemHelps clean build-up of deposits through the entire fuel systemHelps clean pre-existing internal diesel injector deposits (idroid)Helps restore cetane boost, improving combustion for reduced emissions and improved cold startingHelps restore engine responsiveness, drivability and engine noiseHelps prevent fuel injector sticking and failure through regular recommended treatment