A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
‹› Check delivery quantity of Fuel Pump (FP).
‹› Replace fuel filter with integrated fuel pressure regulator.
‹› Fuel pump check-valve is faulty.
Assembly is in 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 -. Make sure it is clean and there are no leaks.
‹› Check fuel system for leaks.