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volkswagen Workshop Repair Guides


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

Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking

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Fuel Pressure: Testing and Inspection
Delivery Rate, Checking

Diagnostic Procedures

Delivery Rate, Checking

CAUTION!
Fuel supply line is under high pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before
removing from hose connection consult the Repair Information for proper procedure.

Test procedure

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Observe safety precautions. Refer to => [ Safety Precautions ] See: Powertrain Management/Computers and Control Systems/Service
Precautions/Safety Precautions

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Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Powertrain Management/Computers and Control
Systems/Service Precautions/Clean Working Conditions

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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Preliminary Check.

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Remove high pressure in fuel system.

Test sequence

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Read safety precautions before beginning work => [ Safety Precautions ] See: Powertrain Management/Computers and Control Systems/Service
Precautions/Safety Precautions.

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Observe Clean Working Conditions.=> [ Clean Working Conditions ] See: Powertrain Management/Computers and Control Systems/Service
Precautions/Clean Working Conditions

‹› A second technician is needed for the following task.

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Connect pressure gauge with adapter.

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However, do not connect ends of Hose to fuel rail connector.

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Hold the end of the hose in a measuring container.

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

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Switch ignition on.

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Operate hand held remote (jumper). Slowly close shut off tap, until pressure gauge shows 4 bar fuel pressure. From this point on do not move
position of shut off tap.

Maintenance > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking

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