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OCTAVIA
Readout on V.A.G 1552
Fault number
old
00545
Engine/gearbox elec-
1)
trical connection
00550
Commencement of
injection control
Control difference
1)
Not available at present.
Edition 02.99
S00.5111.53.20
Possible cause of fault
new
-
♦ Open circuit in wiring or
short circuit
17656
♦ Commencement of deliv-
ery not o.k.
♦ Adjustment travel of injec-
tion pump blocked (dirt,
swarf)
♦ Engine was stalled (within
the last 50 starts)
♦ Fuel feed (was) inter-
rupted: tank has run
empty, feed line or filter
blocked, system drawing
in air
♦ Open circuit in wiring to
commencement of injec-
tion valve -N108
♦ Commencement of injec-
tion valve -N108 worn
Self-Diagnosis
Possible effects
♦ Hard gearshifts
♦ Poor performance at
higher revs
♦ Engine difficult to start
♦ Poor performance at
higher revs
♦ Fault 00542 Needle lift
sender implausible signal
may be stored
♦ Engine clatters when id-
ling as commencement of
injection constantly "ad-
vanced"
♦ Several faults may be
stored
♦ No constant commence-
ment of injection possible
at "Basic setting" (display
block 2 varies over more
than 10 readouts)
♦ Irregular engine running,
poor performance
Rectifying fault
- Test signals from/to auto-
matic gearbox
A - Signal for gearshift
- Test and set commence-
ment of injection
⇒ page 23-13
- Test injection timing con-
trol range ⇒ page 23-28
- Erase fault memory, con-
tinue checking vehicle
- Check fuel system
- Test commencement of
injection valve
⇒ page 23-29
- Test fuse
- Replace commencement
of injection valve
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