Volkswagen Passat 1995 Official Factory Repair Manual page 1549

Diagnostic mode, selecting
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Evaluation test-ID 05: Tank ventilation
system
Tank ventilation system
Evaporative Emission
(EVAP) Canister Purge
Regulator Valve -N80-
Active test:
Deviation of oxygen
sensor control in
direction "lean"
Can only check OK,
short test
Active test:
Deviation of oxygen
sensor control in
direction "rich"
Can only check OK,
short test
Active test:
Air balance at idle OK,
also short test
Tank ventilation system
Tank seal
Opening time
Page 29 of 35
ST-42
Specified value:
min. max.
--- 246.0
10.0 ---
1229.0 ---
Specified value:
min. max.
160.0 ---
6/12/2004