A3 Quattro V6-3.2L (BUB) (2008)
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Connect a jumper cable from an Electrical connector test lead set to terminal - 5 - of the fuel delivery unit and to vehicle Ground (GND).
CAUTION: Fuel system is under pressure! Before opening the system, place rags around the connection area. Then release the pressure
by carefully loosening the connection.
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Disconnect fuel line - arrow - by pulling release button.
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Connect the Fuel pressure test set (high pressure) onto the disconnected fuel supply line.
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Connect an assisting hose - arrow - on to the Fuel pressure test set (high pressure) and hold it into a measuring container.
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Open the shut-off valve of pressure gauge. The lever points in direction of flow.
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Generate pressure in the fuel system by pressing the remote control switch and slowly closing the pressure gauge shut-off valve.
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Specification: 4 bar positive pressure.
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From this point on do not move position of shut-off valve.
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Empty the measuring container.
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Press switch on remote control for 15 seconds.
