Step 1 (Engine Was Started With Incorrect Fuel)

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

-- Empty the fuel tank as much as possible through the filler neck using the Fuel Extraction Unit:VAS5190 . Refer to FUEL TANK, DRAINING .

-- Remove the right rear seat or rear bench seat. Refer to REAR SEATS .

-- Fold the right carpet cutout to the side.

Fig 1: Identifying Locking Flange Cover - Tightening Sequence

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the nuts -1 through 4- on the flange cover.

-- Remove the flange cover.

-- Remember that if the battery is connected, the fuel pump will turn on when a door is opened. Fuel may leak out when the system is open.

-- Remove the fuel return line, which is blue or has a blue marking, -1- from the fuel delivery unit. Disconnect the connector couplings. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

Fig 2: Fuel Lines

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the Diesel Pressure Tester Kit - Adapter Set - Connection Hose 2 :VAS6551/5-2 to the fuel return line -arrow-.

-- Guide the free end of the Diesel Pressure Tester Kit - Adapter Set - Connection Hose 2 :VAS6551/5-2 into a suitable container.

-- Connect the Vehicle Diagnostic Tester and perform the Guided Function "Activate Fuel Pump".

NOTE:

The fuel pump is now activated.

-- Repeat this procedure as necessary until the fuel tank is completely empty.

-- Remove the fuel delivery unit. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR, REMOVING AND INSTALLING .

-- Check the fuel tank for shavings.

-- Empty the fuel delivery unit reservoir.

-- Check the reservoir visually for large contaminants and shavings and on the screen.

Are there any shavings?

Yes. Refer to STEP 3 (SHAVINGS IN FUEL DELIVERY UNIT AND FUEL TANK) .

No. Refer to STEP 4 (NO SHAVINGS IN FUEL DELIVERY UNIT AND FUEL TANK) .