Fuel Tank (Automobile)

10.2.

Fuel Tank

Fuel tank layout, construction, materials, filling and venting have already been dealt in section 9.2. In diesel engine fuel systems, however, it may be desirable to form a sump in the base of the tank in which water if any accumulates. This also keeps the lower end of the fuel pick-up point clear of any blockage due to formation of ice. However, there may be a possibility of formation of biological growth in the sump, in case the vehicle remains unused for long time. This requires periodical removal of water from the tank. Formation of wax in the fuel at low temperatures is also an additional problem, which requires attention.

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