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Fuel Filter Plugging

Advances in diesel engine technology have transformed vehicle performance. Today's engines are more powerful and more efficient resulting in lower emissions.

At the same time there has been the shift towards new age fuels. These have been introduced to help reduce the environmental impact of exhaust emissions. Ultra Low Sulfur Diesel (ULSD) contains less than 15ppm sulfur and is a cleaner alternative to traditional diesel fuels.

However, the hydrotreating process used to remove sulfur from refinery streams has severe effects on fuel properties. When used in a modern diesel engine, ULSD can lead to deposit contamination because of the extreme heat and high pressures generated by advanced fuel injection equipment.

Under the extreme high temperatures and pressures present in modern diesel engines, ULSD is thermally decomposed in the injection system. This process results in fuel filter plugging. Black soot like deposits form in the fuel filter.

Field tests with heavy duty vehicles show that fuel filter plugging can occur after just 10,000 to 12,000 miles in operation. Filters are often found to be completely blocked with black soot and need replacing.

Using ECOCLEAN^® HPFI Antifoulant, reduces fuel filter plugging dramatically. Field tests suggest the filter lifecycle is extended to the scheduled PMI of approximately 30,000 miles from between 5,000 and 12,000 miles. It is estimated that savings on fuel filters alone could cover the cost of using ECOCLEAN® HPFI Antifoulant.

ECOCLEAN^® HPFI Antifoulant is a new fuel additive created specifically to improve the performance of ULSD in newer model vehicles equipped with high pressure fuel injectors. ECOCLEAN® HPFI Antifoulant has been designed to combat the problem of fuel filter plugging

Historically the problem of fuel filter plugging and preventing deposits was combated using traditional detergents but these products are proving less effective in modern heavy duty diesel engines. The treat rates required to have any impact are simply not practical and so the problem of fuel filter plugging must be tackled in a different way.

ECOCLEAN^® HPFI Antifoulant is a highly innovative multifunctional middle distillate fuel additive that offers a number of important benefits to fleet operators. It prevents the formation of fuel soot by conditioning ULSD to withstand the extreme temperatures and high pressures of today's fuel injection systems.

This new fuel additive not only maintains the thermal and oxidative stability of ULSD, it also prevents the formation of black sludge. This is a common problem but it can be made worse in high pressure engine units operating at high temperatures. Contaminants from unburnt fuel and combustion soot build up over time to form a thick black sludge. Sludging ultimately affects performance.

Thanks to ECOCLEAN^® HPFI Antifoulant it is possible to push the performance of ultra low sulfur fuels to a new level. The additive not only helps to keep maintenance costs low. ECOCLEAN^® HPFI Antifoulant also boosts power in today's high-tech engines and helps the environment by reducing exhaust emissions and improving fuel economy.