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Many Original Equipment Manufacturers have discovered a phenomenon known as Black Filter Syndrome. This phenomenon commonly occurs when Ultra Low Sulphur Diesel fuel(ULSD) is used in modern engines with common-rail and electronic unit injection systems. The combination of ULSD and the heat generated by the high pressure injection systems causes the fuel to "cook" in the injection system.
Because of the high volume of fuel which is returned to the tank to cool the fuel system, the carbon deposits are quickly trapped in fuel filters. As the fuel filters become restricted, the operator will use more throttle to maintain power, which results in increased fuel consumption. In addition, filter life is shortened.
4+Premium©, 4+Arctic© and Diesel Boost now contain a component which prevents Black-Filter Syndrome.
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