Ford Transit 2002 Owner's Manual page 1389

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11
Fuel is stored in the fuel tank and delivered to the fuel injectors by means of a
submersed fuel pump through an inline fuel filter.
Fuel Return System
Item Part Number
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The fuel pressure at the fuel injectors is controlled by a fuel pressure regulator mounted in
the fuel return system.
Fuel is pumped from the fuel tank, to the fuel filter. From the fuel filter, fuel is delivered to
the fuel rail. A T- piece is fitted into the fuel injector fuel supply line above the fuel tank. This
T-piece acts as the fuel return line and has a fuel pressure regulator fitted in the circuit.
By allowing excess fuel pressure to return to the fuel tank, a constant pressure can be
maintained at the fuel injectors.
Evaporative emission canister
Fuel tank
Description
Fuel filter
Fuel line fuel return T-piece
Fuel pressure regulator
Fuel rail
Fuel return line
Fuel tank
Fuel jet pump
Fuel pump
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