Operation 4: Diagnosis of fuel supply system

WARNING: This page is about a different car, the 2003 Audi S6 and 2002 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.

Engine idling
Oxygen sensor control active

Initiate basic setting Q

Fig 1: VAG 1551 Scan Tool Display - Diagnosis Of Fuel Supply System (1 Of 2)

Courtesy of AUDI OF AMERICA, INC.

Enter "107" for "display group number 107" and confirm entry with Q key.

Display readout

Fig 2: VAG 1551 Scan Tool Display - Diagnosis Of Fuel Supply System (2 Of 2)

Courtesy of AUDI OF AMERICA, INC.

Check specification in display zone 4:

DISPLAY GROUP 107: DIAGNOSIS FUEL SUPPLY SYSTEM

	Display zones
	1	2	3	4
Display group 107: Diagnosis fuel supply system
Display	xxx rpm	x.x %	x.x %	Test ON
Display	Engine speed (actual)	Oxygen sensor control Medium value (bank 1)	Oxygen sensor control Medium value (bank 2)	Diagnosis status
Range	min.: 550 rpm max.: 7200 rpm	-25.0...25.0 %		Test OFF Test ON FTBV OK FTBV NOK
Specified value	670...820 rpm	-23 %...23 %	-23 %...23	% Syst. OK
Note:				If "syst. NOK" is displayed check DTC memory . SeeDIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .

If specified value in display zone 4 "Syst OK" is attained:

Press C key.