Skoda OCTAVIA 2004 Workshop Manual page 133

OCTAVIA
Read measured value block
mg/H 1030 mbar
Read measured value block
830 mg/H 1030 mbar
Edition 12.00
S00.5111.54.20
Fuel Formation/Fuel Injection
10
→
1011 mbar 0.0 %
10
→
1850 mbar 100 %
air mass meter
The signal from the air mass meter is required
by the control unit for calculating the permissi-
ble injected quantity and for controlling the ex-
haust gas recirculation. The smaller the signal
supplied by the air mass meter, the less fuel
may be injected.
t testers and aids
♦ Vehicle system tester V.A.G 1552 with cable
V.A.G 1551/3, 3A, 3B or 3C
♦ Hand-held multimeter (e.g. V.A.G 1526 A)
♦ Adapter cable set (e.g. V.A.G 1594 A)
♦ Test box V.A.G 1598/22 or V.A.G 1598/31
est condition
l Fuses 29 and 34 o.k.
- Read measured value block, display group
010, engine idling ⇒ page 01-55.
Warning!
Have a second person operate V.A.G 1552.
K - Observe readout in display block 1.
Specification: 230...370 mg/H
If the specification is not achieved:
- Test exhaust gas recirculation ⇒ page 23-32.
If the specification is achieved:
- Accelerate vehicle in 3rd gear at full throttle
from about 1500 rpm.
- At about 3000 rpm, check readout in display
block 4 and note.
Specification in display block 4:
K
100 % (accelerator pedal position)
23
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