Njegova je funkcija da
filter Izlazite štetne čestice i vlaga u sustavu plina za gorivo motora kako bi se zaštitila mlaznica pumpe za ulje, obloga cilindra, prsten klipa itd. Da bi se smanjilo trošenje i izbjegavanje začepljenja. Filtrirajte željezni oksid sadržan u gorivu.
Čak i ako se dizelsko ulje taloži i filtrira prije nego što se doda u spremnik dizelskog goriva, čisto je. However, during the refueling process, the diesel fuel will be polluted due to factors such as the fueling tool, the fueling environment, and the fuel tank port are not clean, and during the operation of the diesel engine, Impurities deposited in the fuel system, suspended in the air, can also contaminate the diesel fuel, so the diesel filter on the car is essential, not to mention that the diesel fuel is not necessarily clean before it is added to the fuel tank.