audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure, Pressure Regulator and Holding Pressure, Checking > < Fuel Delivery Rate, Checking
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Connect remote control connection(V.A.G 1348/3A using adapter cable V.A.G 1348/3-2 ) to right terminal of Fuse (on fuse panel) - S228- socket
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Connect alligator clip to vehicle battery B+.

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Remove fuel filler cap from fuel filler tube.

CAUTION:  Fuel system is under pressure. Before opening the system place a cloth around the connection. Then release pressure by
carefully loosening the connection.

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Disconnect fuel return line -1 - from line connection - 2 - (press release button).

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Connect adapter (V.A.G 1318/17) to engine fuel return line and hold in a measuring container.

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Operate remote control 15 seconds (keep button pressed).

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Compare the quantity of fuel delivered with specification.

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Minimum delivery rate cu.cm/15 s

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Voltage at fuel pump with engine off and pump running (approx. 2 volts less than battery voltage).

Fuel Pressure, Pressure Regulator and Holding Pressure, Checking > < Fuel Delivery Rate, Checking