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volkswagen Workshop Repair Guides


Eos (1F7) V6-3.2L (BUB) (2008)

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Fuel Pressure > System Information > System Diagnosis > Fuel Pump Electrical, Testing > Page 3245

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Connect an assisting hose - arrow - on to the Fuel pressure test set (high pressure) and hold it into a measuring container.

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Open the shut-off valve of pressure gauge. The lever points in direction of flow.

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Generate pressure in the fuel system by pressing the remote control switch and slowly closing the pressure gauge shut-off valve.

‹› Specification: 4 bar positive pressure.

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From this point on do not move position of shut-off valve.

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Empty the measuring container.

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Press switch on remote control for 15 seconds.

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Compare quantity of fuel delivered with minimum delivery rate in the diagram (cm³/15s).

‹› Voltage at the fuel pump with engine stopped and fuel pump running is approx. 2 volts less than battery voltage.

If minimum delivery quantity is not obtained, the following malfunctions may be present:

‹› Fuel lines pinched.

‹› Fuel filter clogged.

‹› Fuel pump faulty.

Assembly is performed in reverse order of removal.

Final procedures

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Fuel Pressure > System Information > System Diagnosis > Fuel Pump Electrical, Testing > Page 3245

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