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Home >> Volkswagen >> 2017 >> Passat R-Line >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Fuel Supply System (General & Service Information - CBTA, CBUA, CDVB, CPKA, CPRA, CCCA, DDSA, DDSB) >> 20 Fuel Supply >> Fuel Pump >> Transfer Fuel Pump -G6-, CHECKING >> Fuel Delivery Rate, Checking >> Checking the Fuel Delivery Rate in the Engine Compartment:

Checking the Fuel Delivery Rate in the Engine Compartment:

-- Connect the Vehicle Diagnostic Tester to the vehicle.

-- Select Guided Functions  in the Vehicle Diagnostic Tester.

-- Perform the vehicle identification.

-- Select engine  .

-- Select check fuel delivery rate, quick test  .

-- Follow the instructions displayed on the Vehicle Diagnostic Tester.

If the Specified Value Is Not Obtained: 

GWWN20-10989Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Open the fuel filler door unit -2-.

-- Clean the area around the fuel filler neck.

-- Remove the cap -1- for the fuel filler neck.

-- Repeat checking the fuel delivery rate, quick test. Refer to FUEL PRESSURE, CHECKING .

If the Specified Value Is Obtained:

-- Check the fuel tank ventilation. Refer to FUEL SYSTEM, CHECKING FOR LEAKS .

If the Specified Value Is Not Obtained:

-- Check the fuel lines for possible restrictions (kinks) or blockages.

-- Check the fuel lines for leaks and damage.

If No Error Can Be Found:

Check the fuel delivery rate on the fuel delivery unit as follows:

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