Service & Repair Manual

24-31
WARNING!
Fuel system is under pressure! Place a cloth
around the connection point before opening
system. Then release pressure by carefully
loosening connection point.
Checking system pressure
- Remove engine cover (arrows).
Note:
If fuel should escape at the vacuum connection of the pressure regulator
during the following pressure test, replace pressure regulator.
- Connect VAG1318 pressure gauge using adapters
VAG1318/7, /1318/8 pressure hose with connectors and 1318/15
adapter in supply line.
- Disconnect vacuum hose from pressure regulator to intake manifold at
pressure regulator and seal line.
- Start engine and let run at idle.
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