Ford Transit 2002 Owner's Manual page 866

Item Part Number
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When the engine is off demand (decelerating), the fuel shut-off valve restricts the high-
pressure pump fuel supply. As the pressure in the high-pressure pump low pressure fuel
inlet channel increases, the low pressure fuel control valve opens and recirculates low
pressure fuel through the fuel transfer pump.
Fuel rail
Item Part Number
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The fuel rail function, is to supply a reservoir of fuel at a constant controlled pressure to all
four fuel injectors.
Description
Low pressure fuel control valve
Calibrated fuel pump fuel return bore
High-pressure pump low pressure fuel inlet channel
Fuel injector fuel return
Fuel pump to fuel filter fuel return
High-pressure fuel pump fuel outlet channel
Fuel feed to fuel transfer pump
Description
Fuel rail
Fuel pressure sensor
Fuel pump high-pressure fuel line connection
Fuel injector high-pressure fuel line connections
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