volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Delivery, Checking|Page 1700 > < Fuel Pressure|Specifications
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Fuel Pressure: Testing and Inspection
Fuel Delivery, Checking

Fuel Delivery, Checking

Special tools, testers and auxiliary items required

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Hand held remote control (jumper).

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Multimeter.

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Electrical connector test lead set.

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Fuel pressure test set (high pressure).

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Measuring container, fuel-resistant.

Test conditions

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Battery voltage 12.5 V 

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Fuel filter OK

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Fuel tank at least 1/4 filled.

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Fuel pressure regulator OK.

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Ignition switched off.

Test procedure

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

Start diagnosis

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Remove the fuel filler cap from fuel filler tube.

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Remove rear seat bench.

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Remove cover retainers - arrows - from the right sealing flange.

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Disconnect the electrical harness connector - arrow - from the fuel delivery unit.

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Open cover of relay and fuse panel in the engine compartment E-box.

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Remove fuse SB6 from position F6 on fuse holder

Fuel Delivery, Checking|Page 1700 > < Fuel Pressure|Specifications