A3 Quattro V6-3.2L (BUB) (2008)
Fuel Pressure: Testing and Inspection
Fuel Pump Delivery Quantity, 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/Initial Inspection and Diagnostic Overview/General Diagnosis
Start diagnosis
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Remove the fuel filler cap from fuel filler.
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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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Connect a Hand held remote control (jumper) to terminal - 1 - of the fuel delivery unit and to vehicle battery (+).