Secondary air system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=...
Test sequence
- Test drive vehicle.
Observe the valid safety precautions when road
testing
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During the road test the following operating
conditions must be fulfilled:
The coolant temperature must exceed 85
C.
When the temperature is reached, the
operating conditions
Idling
Part throttle
Enrichment
Wide open throttle
Overrun
must be attained several times.
- Then:
Continue running engine at idling speed.
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