24-51
- Repeat test for fuel injectors from second bank
of cylinders.
- If measured values for all fuel injectors are
outside tolerance range (specification), check
fuel pressure Page 24
-33
.
Note:
When checking the injection quantity, also check
the spray pattern. The spray pattern should be
the same for all the injectors.
Installation of the fuel rail together with injectors
is performed in the reverse sequence. The
following points should be noted when installing:
Replace O-rings at all opened connections.
(When replacing the front O-ring, make sure
not to remove the plastic cap from the
injector head. The O-ring must be pulled off
over the plastic cap.)
Moisten O-rings with clean engine oil.
Pa
ge 61 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, 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.FU04.24.1
24-53
Fuel rail with fuel injectors, dismantling
and assembling
1 -
Fuel rail
2 -
To intake manifold
3 -
Retaining clip
4 -
O ring
Replace
5 -
Fuel pressure regulator
6 -
O ring Replace
7 -
Injector (N30...N32, N33...N84)
8 -
Retaining clip Must be seated correctly at fuel injector
and fuel rail
Pa
ge 63 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, 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.FU04.24.1
