air filter AUDI A4 1999 B5 / 1.G AWM Engine Motronic Injection System Servicing Workshop Manual
Page 20 of 79
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 20 of 79 Motronic in
jection s
ystem, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.24.1
Page 35 of 79
24-32
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
-52
.
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 35 of 79 Motronic in
jection s
ystem, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.24.1