Work step 5: Diagnostic of fuel supply system
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.
- Engine at idle
- Oxygen sensor control active
When indicated on display
Fig 1: VAG1551 Scan Tool Display - Generating Readiness Code: Diagnostic Of Fuel Supply System (1 Of 2)
- Press buttons -1-, -0- and -7- to select display group number 107 and confirm with -Q- button.
When indicated on display
Fig 2: VAG1551 Scan Tool Display - Generating Readiness Code: Diagnostic Of Fuel Supply System (2 Of 2)
- Check specified values in display field 4.
DISPLAY GROUP 107: DIAGNOSTIC OF FUEL SUPPLY
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 107: Diagnostic of fuel supply | ||||
| Display | xxx /RPM | x.x % | x.x % | Test ON |
| Indicated | Engine speed (actual) | Oxygen sensor control average value (Bank 1) | Oxygen sensor control average value (Bank 2) | Diagnostic condition |
| Work range | min.: 550 /RPM max.: 6600 /RPM |
min.: -25.0% max.: 25.0% |
min.: -25.0% max.: 25.0% |
Test OFF Test ON System OK System not OK |
| Value | 650 to 720/RPM | -24% to 22% | -24% to 22% | System OK |
| Note | If "System not OK" appears, check DTC memory, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING . | |||
If specified value in display "System OK" is reached:
- Press -C- button.