FOX 2004 ➤
3 - Cyl. injection engine - Edition 12.2009
2.3.2
Test sequence
– Remove the regeneration flexible hose-1- from the activated
charcoal filter in the electromagnetic valve 1 of the activated
charcoal filter -N80 - -2-.
– Install the Vacuum pump -VAG 1390- or Vacuum pump -VAS
6213- as illustrated, the flexible hose-1-.
– Operate the Vacuum pump -VAG 1390- or Vacuum pump -
VAS 6213 - several times. No vacuum can be generated.
If vacuum is generated:
– Check the ventilation opening -3- in the lower part of the acti‐
vated charcoal filter -4- for impurities and, if necessary, clean
it.
If vacuum is not generated:
– Cover the ventilation opening -3- and operate the Vacuum
pump -VAG 1390- or Vacuum pump -VAS 6213 - several times
again. Vacuum has to be generated.
If vacuum is not generated:
– Replace the activated charcoal filter.
lk
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Rep. Gr.20 - Supply system - tank, Fuel pump (pre-supply pump) G6
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