Skoda Octavia Workshop Manual page 151

OCTAVIA
Edition 04.03
S00.5127.54.20
Exhaust System
Inspecting combination valve
For engines with identification characters
AQY and AZH ä 07.2000
Special tools, testers and aids required
♦ Hand vacuum pump (e.g. V.A.G 1390)
Test conditions
l No fault in fault memory
⇒ 2.0 litre/85 kW Engine, Fuel Injection and
Ignition System; Rep Gr. 01.
l Carry out final control diagnosis:
⇒ 2.0 litre/85 kW Engine, Fuel Injection and
Ignition System; Rep Gr. 01.
l Vacuum hoses and hose connections are
tight.
l Vacuum hoses are not blocked.
Test procedure
K - Detach vacuum hose -1- from secondary air
injection valve -N112- -2-
- Connect hand vacuum pump (e.g. V.A.G
1390) at vacuum hose -1-.
Note:
Do not use any compressed air during the fol-
lowing test!
- Detach pressure hose from the secondary
air pump and blow in -arrow-.
Combination valve must be closed.
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