audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Air/Fuel Mixture|Specifications|Page 1393 > < Air/Fuel Mixture|Specifications|Page 1391
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9.

Ignition timing must be in specification.

Cap Removal

ADJUSTING

1.

Remove cap from charcoal canister (arrow).

Ventilation Hose Removal

2.

Remove crankcase housing ventilation hose. install plug in metal tube.

Differential Pressure Regulator Connector Removal

3.

Remove harness connector from differential pressure regulator, connect test adaptor VW 1315 A/1 or equivalent between differential pressure
regulator and its harness connector.

4.

Connect a high quality VOM to test adaptor and switch multimeter to 200 mA range.

Air/Fuel Mixture|Specifications|Page 1393 > < Air/Fuel Mixture|Specifications|Page 1391