Volkswagen Golf 2004 Workshop Manual page 174

Golf 2004 ➤ , Golf Plus 2005 ➤ , Passat 2006 ➤ , Touran 2003 ➤
4-cylinder diesel engine (2.0 l engine, 4 valve) - Edition 02.2011
– Separate quick release coupling -A- (black or black marking)
of fuel supply line.
– Connect -VAS 6550/1- pressure tester line to fuel supply -A-.
– Guide open end of line into measuring container.
– Connect diagnosis tester and perform the guided function
„Checking electric fuel pump(s)".
Note
The fuel pump is now activated for 30 seconds.
– After fuel flow, read quantity of fuel delivered on measuring
container, specification: min. 1000 ml/30 s.
If the specification is not attained:
– Check fuel supply line between fuel pump and engine com‐
partment for kinks, crushes or damage.
– If necessary, renew defective line and repeat test.
– If it is not kinked, crushed or damaged, remove rear seat bench
⇒ General body repairs, interior; Rep. gr. 72 ; Rear seats .
– Detach carpet under seats and fold it back. ⇒ General body
repairs, interior; Rep. gr. 70 ; Load and luggage compartment
trim; Removing and installing luggage compartment floor
– Remove cover from fuel delivery unit.
Note
Press in securing ring to release fuel line.
– Pull fuel supply line (black, or black marking) -A- off fuel de‐
livery unit.
– Connect -VAS 6550/1- pressure tester line to fuel supply -A-.
– Guide open end of line into measuring container.
– Connect diagnosis tester and perform the guided function
„Checking electric fuel pump(s)".
Note
The fuel pump is now activated for 30 seconds.
– After fuel flow, read quantity of fuel delivered on measuring
container, specification: min. 1000 ml/30 s.
If the specification is not attained:
– Check voltage supply
⇒ page 170 of fuel pump.
3.6.3 Checking voltage supply of fuel pump
Special tools and workshop equipment required
♦ Hand-held multimeter -V.A.G 1526D-
♦ Pickup clamp -V.A.G 1526B/2-
168
Rep. gr.20 - Fuel supply system
⇒ page 168 and current draw