volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator and Residual Pressure Checking, Engine Code BPS|Page 6082 > < Fuel Pressure Regulator and Residual Pressure Checking, Engine Code BPS
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‹› Press in the securing ring to disengage the fuel line.

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Connect the (VAG 1318) with (VAG 1318/9) and (VAG 1318/17) to the fuel filter - 1 - and to the supply line - 2 -.

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Open the shut off lever on the (VAG 1318). The lever points in the direction of flow.

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Bleed the fuel supply system. Refer to => [ Fuel System, Bleeding ] See: Fuel Tank/Description and Operation.

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Reconnect the 4 pin harness connector to the fuel delivery unit.

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Start the engine and run at idle speed.

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Measure the fuel pressure.

‹› Specified value: approximately 4.0 bar

If the specification is not obtained

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Switch off ignition.

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Check the delivery quantity of the fuel pump. Refer to => [ Delivery Quantity, Checking ] See: Testing and Inspection/Fuel Pump Checking,
Engine Code BPS (Plastic Fuel Tank).

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If the fuel pump is OK, replace the fuel pressure regulator -  item 5 - in => [ Fuel Pressure Regulator ] See: Fuel Tank/Service and
Repair/Removal and Replacement.

‹› From May 2006, the fuel pressure regulator is integrated in the fuel filter and cannot be replaced.

Fuel Pressure Regulator and Residual Pressure Checking, Engine Code BPS|Page 6082 > < Fuel Pressure Regulator and Residual Pressure Checking, Engine Code BPS