audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Idle Speed > < Fuel Pressure Test|Page 3599
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‹› Check pressure gauge for leaks.

‹› Check fuel lines and their connections for leaks.

‹› Check delivery quantity of Fuel Pump (FP).

‹› Replace fuel filter with integrated fuel pressure regulator.

‹› Fuel pump check-valve is faulty.

Assembly is in the reverse order of removal, note the following:

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Switch off ignition.

‹› Before removing pressure gauge, release fuel pressure by opening shut-off valve. Hold a container under the connection.

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Connect fuel supply line - arrow - to the high pressure pump.

‹› Check fuel system for leaks.

Idle Speed > < Fuel Pressure Test|Page 3599