air filter AUDI A3 1999 8L / 1.G ATW Engine Motronic Fuel Injection Syst
Page 19 of 81
24-18
 
  
 Repair Manual, Maintenance
    10 - 
Wire 
For EVAP canister system
11 - 
10 Nm 
12 - 
Heat shield 
13 - 
Filter element Follow filter change intervals
14 - 
10 Nm 
15 - 
Rubber grommet 
Pa
ge 19 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1 
Page 37 of 81
24-33
      
System pressure, fuel pressure 
regulator and residual pressure, 
checking
 
     
Note:  
     Fuel pressure regulator regulates fuel pressure 
according to intake manifold pressure. This 
ensures that the pressure drop at the fuel 
injectors remains the same for each speed and 
load range of the engine. 
     
Special tools and equipment  
    
Test requirements: 
 Repair Manual, Fuel Supply System, Repair Group 20
   
VAG1318V.A.G 1318 with V.A.G 1318/11 adapter, V.A.G 1318/12 pressure 
hose with connectors and V.A.G 1318/13 adapter Fuel Pump (FP) relay OK; checking   Page 24
-53
 . 
Fuel Pump (FP) OK, checking: Fuel filter OK Battery voltage at least 12.7 V Vehicles with automatic transmission Selector lever in P or N. 
Pa
ge 37 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1