Checking Fuel Pressure Regulator And Holding Pressure - Volkswagen Touareg 2003 Workshop Repair Manual

Touareg 2003 ➤
8-cylinder injection engine - Edition 11.2011
– Connect crocodile clip of remote control -V.A.G 1348/3- to
battery positive (+) -1- in engine compartment.
– Switch on ignition.
– Operate remote control -V.A.G 1348/3- for 30 seconds.
– Repeat check on other injectors. Use new measuring beakers.
– Switch off ignition.
– After all injectors have been activated, place measuring beak‐
ers on a level surface and compare the quantity injected.
Specification: 95..0.115 ml per injector
If the measured values of one or more injectors are above or be‐
low the prescribed specifications:
– Renew defective injector.
Install injectors in reverse order. In the process, note the follow‐
ing:
♦ Renew O-rings on all injectors and lightly moisten with clean
engine oil.
♦ Insert injectors vertically and in the correct position into the fuel
rail and secure with retaining clips.
♦ Fit fuel rail with secured injectors onto intake manifold and
press in evenly.
2.2 Checking fuel pressure regulator and
holding pressure
Special tools and workshop equipment required
♦ Pressure gauge -V.A.G 1318-
♦ Adapter set -V.A.G 1318/7-
♦ Adapter set -V.A.G 1318/10-
♦ Adapter set -V.A.G 1318/13-
♦ Spring-type clip pliers -VAS 6340-
142
Rep. gr.24 - Mixture preparation - injection