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Fuel Tank, Draining, Vehicles With TDI Engine, Fuel Delivery Unit (Fuel Pump) Not Faulty

Special tools and workshop equipment required 

Procedure 

GWWA20-11957Courtesy of AUDI OF AMERICA, LLC

-- Attach the adapter : VAS5190/8  -2- to the suction hose -1- on the : VAS5190A  .

-- Open the fuel filler door.

Fig 1: Fuel Filler Cap
GWWA20-11568Courtesy of AUDI OF AMERICA, LLC

-- Remove the fuel filler neck cap -arrow-.

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING [CXYA] or ENGINE COVER, REMOVING AND INSTALLING [CZSE] .

-- Disconnect the fuel supply hose -arrow- to the high pressure pump. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

GWWA20-11955Courtesy of AUDI OF AMERICA, LLC

-- Connect the suction hose with the : VAS5190/8  to the supply hose from the fuel tank.

GWWA20-11958Courtesy of AUDI OF AMERICA, LLC

-- Activate the : VAS5190A  .

-- Connect the Vehicle Diagnostic Tester as well.

-- Switch the ignition on.

-- Select the OBD  mode.

-- Select 0001 - Engine electronics  .

-- Select "Control module OBD" Basic setting  in the control module basic setting menu item.

-- Select Transfer fuel pump test  from the list.

-- Press Start  .

TIP:

The basic setting will run for four minutes. Restart the basic setting after that if necessary.

-- When no more fuel is being extracted, press Stop  .

Assembling 

Assemble in the reverse order of removal. Note the following:

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING [CXYA] or ENGINE COVER, REMOVING AND INSTALLING [CZSE] .