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

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking > Page 2311

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Fuel Pressure: Testing and Inspection
Residual Pressure, Checking

Diagnostic Procedures

Residual Pressure, Checking

Special tools, testers and auxiliary items required

‹› Switched remote control (jumper). 

‹› Multimeter.

‹› Electrical connector test lead set.

‹› Fuel pressure gauge.

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.

Test conditions

‹› The pressure gauge remains connected from Fuel Pressure test.

‹› Fuel pressure of approx. 5.6 bar should be displayed on pressure tester. 

‹› Hand held remote starter (jumper) is connected.

Test sequence

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Watch pressure drop on gauge. After 10 minutes pressure must not drop below a 4.0 bar decrease.

If pressure drops below 4.0 bar:

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Operate hand held remote starter (jumper) while doing this, observe display of pressure tester.

Fuel pressure must increase up to a maximum pressure of 6 bar.

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Release control button of hand held remote starter (jumper) and immediately close shut off valve of pressure gauge. Then lever the points
perpendicular to flow direction - arrow -.

Engine, Cooling and Exhaust > Engine > Tune-up and Engine Performance Checks > Fuel Pressure > System Information > System Diagnosis > Delivery Rate, Checking > Page 2311

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