Water is also the culprit that spurs the growth of fungi and bacteria at the bottom of the fuel tank. And as water content increases, the lubricity of the fuel decreases, causing excessive wear and premature failure of injectors and fuel pumps. This tip damage will prevent the injector from creating the desired fuel spray pattern. Because this occurs at high pressure, it will eventually damage the injector tips. When water passes through an injector, it immediately vaporizes and is turned into steam. Above that level, injector life is reduced by about half. Ideally, the water content in fuel should be well under. If fuel is contaminated with water, it will cause damage to injectors. The other is to cool and lubricate the fuel injection system. One is to be the source of the hydrocarbon liquid that is turned into power by the engine. Buying cases of primary and secondary fuel filters can quickly become an unseen budget buster.ĭiesel fuel has a couple of jobs. If the solution is just to put a new, clean filter in the filter housing, wait until it plugs up again, and then replace it again, then a lot of fuel filters will be needlessly used. As colonies of bacteria grow in the tank, they clog fuel filters to the point that the engine is starved for fuel. If a preventive maintenance program for fuel is not begun and followed, the operational and maintenance costs related to the engine will increase, period.įrequently, the tell-tale sign of microbial growth in fuel is filter plugging. Good housekeeping of diesel fuel requires constant attention to detail to avoid both short-term and long-term engine problems.
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