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volkswagen Workshop Repair Guides


Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking > Page 2861

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Empty measuring container.

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Operate remote control for 15 seconds.

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

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

If minimum delivery rate is not attained:

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Check fuel lines for possible restrictions (kinks) or blockages. 

If lines are OK: 

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Replace fuel filter.

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Repeat test.

If specified value is again not obtained:

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Fuel Pump faulty, replace fuel delivery unit.

If delivery rate has been attained but you suspect a fuel supply system malfunction (e.g. intermittent failure of fuel supply system)

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Check Fuel Pump current draw.

Powertrain Management > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking > Page 2861

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