Water in Common rail Diesel fuel system

Most common rail engine failures can be prevented. Read on to find out how you can help your common rail diesel stand the test of time. Water is the most damaging fuel contaminant in a common rail fuel system, it creates a lack of lubrication in the fuel system which in turn can prematurely wear your high pressure pump and injectors. We see at least 3 water in diesel fuel related failures per week, sometimes more, particularly in common rail systems. The high pressure pump and injectors used in a diesel common rail vehicle rely on good quality fuel, they have a high failure rate when water contamination is present.

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