audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 5563 > < Fuel Pressure|Specifications|Page 5561
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If the pressure now does not drop:

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Check pressure gauge for leaks.

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Check line connections and fuel injectors for leaks.

If the pressure drops again:

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Check pressure regulator in fuel filter.

Fuel pressure regulator, checking

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Remove covering from luggage compartment floor.

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Remove screws - arrows - from fuel flange cover and remove cover.

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Disconnect fuel return line - 1 - (press coupling button to release).

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Attach adapter - 2 - to disconnected fuel return line.

Fuel Pressure|Specifications|Page 5563 > < Fuel Pressure|Specifications|Page 5561