Volkswagen Passat 1995 Official Factory Repair Manual page 873

Motronic fuel injection system, servicing
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Test sequence
- Disconnect fuel supply hose -1- from
fuel rail -2- and connect to VAG 1318
pressure gauge using VAG 1318/10
adapter.
- Connect VAG 1318 pressure gauge
to fuel rail -2- using VAG 1318/11
and VAG 1318/16 adapters.
- Open gauge valve; handle in
direction of flow (arrow).
- Start engine and run at idle speed.
- Check fuel pressure.
Specification: Approx. 2.5 bar (36
psi)
- Disconnect vacuum hose -1- from
connection -2-.
Fuel pressure must rise to approx.
3.0 bar (44 psi)
- Switch ignition off.
- Check for leaks and residual
pressure by watching pressure drop
on gauge.
After 10 minutes residual pressure
must be at least 2 bar (29 psi).
If the residual pressure drops below 2
bar:
- Start engine and run at idle speed.
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6/12/2004