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Fuel supply -> 4.1 Checking fuel delivery rate for Your Volkswagen Transporter Van Sixth generation (2015-2021)

Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
4
Fuel supply  
⇒ “4.1 Checking fuel delivery rate”, page 28  
⇒ “4.2 Removing and installing metering pump V54 ”, page 29  
4.1  
Checking fuel delivery rate  
Special tools and workshop equipment required  
♦ Hand-held multimeter - V.A.G 1526E-  
♦ Auxiliary measuring set - V.A.G 1594D-  
♦ Measuring beaker - V.A.G 1602/1- from injection rate tester -  
V.A.G 1602-  
♦ Vehicle diagnostic tester  
Test requirements  
Resistance of metering pump - V54- = approx. 5 Ω – 5.4 Ω  
Battery voltage: at least 12.5 V  
No fault stored in event memory  
Fuel lines are not damaged or leaking  
Ambient temperature approx. 20°C  
28  
Rep. gr.82 - Supplementary heating  
Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
Fuel tank sufficiently filled (fuel gauge on dash panel insert not  
in red area).  
Check  
CAUTION  
The fuel system is pressurised.  
Risk of injury caused by fuel spray.  
– Wear safety goggles.  
– Wear protective gloves.  
– To release pressure, wrap a clean cloth around the connec‐  
tion, and carefully loosen the connection.  
– Unclip fuel line -2- from retainer -1-.  
– Unclip fuel line -2- from retainer -1-.  
– Remove clamp -3-.  
– Pull off fuel line -2-.  
– Guide fuel line -1- into measuring beaker - V.A.G 1602/1- .  
– Hold measuring beaker - V.A.G 1602/1- at same height as  
auxiliary heater.  
– Using ⇒ Vehicle diagnostic tester, check fuel delivery rate of  
metering pump - V54- .  
– Read quantity of diesel in measuring beaker - V.A.G 1602/1- .  
Min. quantity of fuel after 120 seconds, ml  
22  
Max. quantity of fuel after 120 seconds, ml  
28  
– If fuel delivery rates are not within specifications, renew me‐  
tering pump - V54- ⇒ page 29 .  
4.2  
Removing and installing metering pump  
- V54-  
Special tools and workshop equipment required  
♦ Engine bung set - VAS 6122-  
4. Fuel supply  
29