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Leak Detection Pump, Checking, Vehicles With FSI and TFSI Engine|Page 3741 > < Leak Detection Pump, Checking, Vehicles With FSI and TFSI Engine|Page 3739

S4 Quattro Wagon V8-4.2L (BHF) (2008)

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‹› In case of malfunction: Syst. not O.K..

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Check readings of the diagnosis in display field - 2 -. 

‹› "Small leak" or "Large leak".

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End function "006 - Basic setting" by pressing <- button.

If the system has recognized a small or large leak:

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Check fuel supply and tank ventilation systems for leaks. Refer to => [ Checking Fuel Supply and Tank Ventilation Systems for Leaks ] See: Fuel
Delivery and Air Induction/Testing and Inspection/Checking Fuel Supply and Tank Ventilation Systems for Leaks.

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Afterwards, perform the leak diagnosis again.

Leak Detection Pump, Checking, Vehicles With FSI and TFSI Engine|Page 3741 > < Leak Detection Pump, Checking, Vehicles With FSI and TFSI Engine|Page 3739