volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator And Residual Pressure, Checking|Page 2434 > < Fuel Pressure Regulator And Residual Pressure, Checking|Page 2432
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Press the switch on the hand held remote control (jumper) and operate the fuel pump for 15 seconds.

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Compare quantity of fuel delivered with minimum delivery rate in the diagram (cm3/30s).

‹› 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 plugged.

‹› Fuel pump faulty.

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If necessary, repair any pinched or plugged lines.

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Replace the fuel filter.

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Replace the fuel pump.

Assembly is performed in reverse order of removal. Note the following: 

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Install the rear seat bench

Final procedures

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Computers and Control Systems/Testing and

Fuel Pressure Regulator And Residual Pressure, Checking|Page 2434 > < Fuel Pressure Regulator And Residual Pressure, Checking|Page 2432