Volkswagen Passat 2012 Service Training page 22

Engines
Fuel System for TDI Engines
The overview shown represents the fuel system of
the 2.0l TDI engine.
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1 - Transfer Fuel Pump G6
Builds pressure in the fuel supply line.
2 - Fuel Filter
Keeps away diesel fuel impurities from the injection
system components. The high precision components
9
such as the high pressure pump and the injectors,
3
can be damaged or their function impaired by even
5
the smallest particles of dirt.
3 - Fuel Temperature Sensor G81
4
Measures the temperature of the fuel.
4 - High Pressure Pump
Generates the high pressure required for injection.
5 - Fuel Metering Valve N290
2
Regulates the quantity of fuel needed with pressure.
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