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Thread: Audi S8 Throttle Body Alignment

  1. #1
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    Audi S8 Throttle Body Alignment

    Hi there

    I wonder if you can assist me please?

    I am running a throttle body alignment, and am getting some results that are confusing.

    • Before running the exercise, the 1st 2 values are 15.6% / 84.8%
    • I then change basic settings to on, and the procedure starts.
    • The throttle body opens and closes and after a few seconds the values settle at 12.5% / 87.5% and stay that way for 10-15 seconds, but revert back to 15.6% / 84.8%.
    • I then change basic settings to off.
    • No error was thrown during the procedure.


    Is this normal?

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Hi and welcome to our forum.

    Context is seriously lacking here. What year S8? What engine?

    Ideally, said context would be supplied by posting an Auto-Scan.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #3
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    Thanks for getting back to me.

    It's a 2007 Audi S8 5.2 V10.

    The latest log from this morning is below:

    Code:
     Wednesday,23,January,2019,08:22:05:62415
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 18.9.0.2 (x64)
    Data version: 20180927 DS296.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ4E57N011741   License Plate: WHG742GP
    Mileage: 157310km-97747mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 4E (4L0)
    Scan: 01 02 03 05 06 07 08 09 11 31 15 16 17 19 1E 34 36 37 38 42
              46 47 4F 52 53 55 56 61 62 67 69 6C 72 76 77
    
    VIN: WAUZZZ4E57N011741   Mileage: 157310km-97747miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    06-Seat Mem. Pass -- Status: Malfunction 0010
    07-Control Head -- Status: Malfunction 0010
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    11-Engine II -- Status: Malfunction 0010
    31-Engine other -- Status: Malfunction 0010
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: Malfunction 0010
    1E-Media Player 2 -- Status: Malfunction 0010
    34-Level Control -- Status: OK 0000
    36-Seat Mem. Drvr -- Status: OK 0000
    37-Navigation -- Status: OK 0000
    38-Roof Electronics -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    46-Central Conv. -- Status: Malfunction 0010
    47-Sound System -- Status: OK 0000
    4F-Centr. Electr. II -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    61-Battery Regul. -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    67-Voice Control -- Status: Malfunction 0010
    69-Trailer -- Status: OK 0000
    6C-Back-up Cam. -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    76-Park Assist -- Status: Malfunction 0010
    77-Telephone -- Status: Cannot be reached 1100
     
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: Redir Fail!
       Part No SW: 4E0 910 552 B    HW: 4E0 907 552 
       Component: 5.2L V10/4V FSI    ª0050  
       Revision: 5AH11---    Serial number: AUX3Z0FN110921
       Coding: 01060000190F0960
       Shop #: WSC 01642 996 72817
       VCID: 214F07F8F83A2542FA-8074
    
    2 Faults Found:
    008592 - Bank 2; System too Rich at Idle 
                   P2190 - 008 -  - MIL ON
                 Freeze Frame:
                        Fault Status: 11101000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 157185 km
                        Time Indication: 0
                        Date: 2019.01.18
                        Time: 09:28:36
    
                 Freeze Frame:
                        RPM: 1729 /min
                        Load: 45.5 %
                        Speed: 79.0 km/h
                        Temperature: 96.0°C
                        Temperature: 42.0°C
                        Absolute Pres.: 830.0 mbar
                        Voltage: 13.208 V
    
    006435 - Please Check DTC Memory of ECU Number 2 
                   P1923 - 008 - 
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 157316 km
                        Time Indication: 0
                        Date: 2019.01.23
                        Time: 08:42:22
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 25.0°C
                        Temperature: 26.0°C
                        Absolute Pres.: 840.0 mbar
                        Voltage: 11.176 V
    
    Readiness: 0000 1001
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 09E-927-156.lbl
       Part No SW: 4E1 910 156 K    HW: 09E 927 156 B
       Component: AG6 09E 5,2 FSI RdW 0020  
       Revision: --H01---    Serial number:        0096360
       Coding: 0000001
       Shop #: WSC 02313 785 00200
       VCID: 2B53E5D08AF6FF1250-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 4E0-910-517.lbl
       Part No SW: 4E0 910 517 D    HW: 4E0 614 517 AB
       Component: ESP 5.7 allrad  H46 0500  
       Coding: 0001627
       Shop #: WSC 02313 000 00000
       VCID: 24410EECE728306A91-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth.        Labels: 4E0-910-131.lbl
       Part No SW: 4E0 910 131     HW: 4E0 909 131 G
       Component:     FBS AUDID3  H10 0190  
       Revision: 01904910    Serial number: AUX3Z0FN110921
       Coding: 0265216
       Shop #: WSC 02311 785 00200
       VCID: 58B96A1CEBE0A48ACD-800C
    
       Subsystem 1 - Part No: XXXXXXXXXXX 
       Component: ELV                 XXXX
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 06: Seat Mem. Pass        Labels: None
       Part No SW: 4E0 910 760 D    HW: 4E0 959 760 B
       Component: Sitzmemory BFS H02  0010  
       Revision: 00000000    Serial number: 5DS 008 795-03
       Coding: 4063328
       Shop #: WSC 02313 785 00200
       VCID: 24410EECE728306A91-8070
    
    1 Fault Found:
    02095 - Component Protection Active 
                000 -  - 
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 71
                        Mileage: 119532 km
                        Time Indication: 0
                        Date: 2015.04.21
                        Time: 08:20:20
    
    
    -------------------------------------------------------------------------------
    Address 07: Control Head        Labels: 4E0-910-7xx-07.clb
       Part No SW: 4E0 910 769 A    HW: 4E0 035 729 A
       Component: Interfacebox    H43 3450  
       Revision: 00000000    Serial number: 300KW067575826
       Coding: 0000002
       Shop #: WSC 02313 785 00200
       VCID: 2A5DE0D4850CE61AAB-807E
    
       Subsystem 1 - Part No: 4E0 910 611 
       Component: E0380 BedienteilH01 0040
    
       Subsystem 2 - Serial number: 00000000024086
    
       Subsystem 3 - Serial number: 0106.11.060000000100010058ÿ
    
       Subsystem 4 - Serial number: 010058ÿ
    
    1 Fault Found:
    00003 - Control Module 
                005 - No or Incorrect Basic Setting / Adaptation
                 Freeze Frame:
                        Fault Status: 01100101
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 63
                        Mileage: 157172 km
                        Time Indication: 0
                        Date: 2019.01.17
                        Time: 10:51:52
    
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: None
       Part No SW: 4E0 910 043 B    HW: 4E0 820 043 G
       Component: KLIMAAUTOMAT    017 0450  
       Revision: 00000032    Serial number: 00000000108991
       Coding: 0057409
       Shop #: WSC 02311 785 00200
       VCID: 1C31360CDF5808AA29-8048
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels: 4E0-910-279.clb
       Part No SW: 4E0 910 279 Q    HW: 4E2 955 113 C
       Component: ILM Fahrer      H15 0230  
       Coding: 0133122
       Shop #: WSC 02313 785 00200
       VCID: 3665C4A441B4B2FA3F-8062
    
       Subsystem 1 - Part No: 4E2 910 113 C
       Component: Wischer WWS D3  H60 0440  
       Coding: 00000037
       Shop #: WSC 02313  
    
       Subsystem 2 - Part No: 4E0 910 557 A  Labels: 8K0-955-559.CLB
       Component: REGENLICHTSENSORH13 0090  
       Coding: 00139548
       Shop #: WSC 02313  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 11: Engine II        Labels: Redir Fail!
       Part No SW: 4E0 910 552 B    HW: 4E0 907 552 
       Component: 5.2L V10/4V FSI    ª0050  
       Revision: 5AH11---    Serial number: AUX3Z0FN110921
       Coding: 01060000190F0960
       Shop #: WSC 01357 011 00200
       VCID: 214F07F8F83A2542FA-8074
    
    1 Fault Found:
    004231 - Mixture Regulation; Bank 4; Range 1 
                   P1087 - 008 - Rich Limit Exceeded - MIL ON
                 Freeze Frame:
                        Fault Status: 11101000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 157185 km
                        Time Indication: 0
                        Date: 2019.01.18
                        Time: 09:28:13
    
                 Freeze Frame:
                        RPM: 1774 /min
                        Load: 40.8 %
                        Speed: 60.0 km/h
                        Temperature: 97.0°C
                        Temperature: 44.0°C
                        Absolute Pres.: 830.0 mbar
                        Voltage: 13.335 V
    
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 4E0-910-655-94.lbl
       Part No SW: 4E0 910 655 D    HW: 4E0 959 655 H
       Component:    Airbag 9.41  H13 3710  
       Revision: 91H13371    Serial number: 0037P0G04ME5  
       Coding: 0430707
       Shop #: WSC 02313 785 00200
       VCID: 275B19E0961EDB72B4-8072
    
       Subsystem 1 - Serial number: 63328RB4019F4384M
    
       Subsystem 2 - Serial number: 63428RB4019F4C76X
    
       Subsystem 3 - Serial number: 63528RB4019F4C7B$
    
       Subsystem 4 - Serial number: 63628RB4019F442CS
    
       Subsystem 5 - Serial number: 63729RB401B843D8V
    
       Subsystem 6 - Serial number: 63829RB401B834CD-
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 4E0-910-549.lbl
       Part No SW: 4E0 910 549     HW: 4E0 953 549 
       Component: Lenksäulenmodul H14 0040  
       Coding: 0112141
       Shop #: WSC 02311 785 00200
       VCID: 65C753E8AC92096246-8030
    
       Subsystem 1 - Part No: XXXXXXXXXXX 
       Component: Lenkradmodul    H07 0090
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 4E0-910-xxx-17.lbl
       Part No SW: 4E0 910 901 D    HW: 4E0 920 901 D
       Component: KOMBIINSTR. VDO H82 0530  
       Revision: D04         Serial number: AUDID3FN000832
       Coding: 0032813
       Shop #: WSC 99999 999 99999
       VCID: 214F07F8F83A2542FA-8074
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 4L0-910-468.clb
       Part No SW: 4L0 910 468     HW: 4L0 907 468 
       Component: J533__Gateway   H06 0040  
       Revision: 00H06000    Serial number: 0900B06A308039
       Coding: F7D1DFFF50720E
       Shop #: WSC 02313 785 00200
       VCID: 6CD126CC4F78382A19-8038
    
    1 Fault Found:
    01303 - Telephone Transceiver (R36) 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 63
                        Mileage: 157172 km
                        Time Indication: 0
                        Date: 2019.01.17
                        Time: 10:52:55
    
    
    -------------------------------------------------------------------------------
    Address 1E: Media Player 2        Labels: 4E0-910-111.lbl
       Part No SW: 4E0 910 110 A    HW: 4E0 035 110 A
       Component: MP3-Changer     H44 0270  
       Revision: 00044000    Serial number: AUZ5ZBF3113485
       Shop #: WSC 00000 000 00000
       VCID: 16252424217452FA1F-8042
    
    2 Faults Found:
    02095 - Component Protection Active 
                000 -  - 
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 63
                        Mileage: 157172 km
                        Time Indication: 0
                        Date: 2019.01.17
                        Time: 10:51:43
    
    02084 - Component Protection 
                005 - No or Incorrect Basic Setting / Adaptation
                 Freeze Frame:
                        Fault Status: 01100101
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 0
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 34: Level Control        Labels: 4E0-910-553.clb
       Part No SW: 4E0 910 553 J    HW: 4E0 907 553 F
       Component: LUFTFDR.-CDC    H06 6310  
       Coding: 0015520
       Shop #: WSC 02313 785 00200
       VCID: 2A5DE0D4850CE61AAB-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 36: Seat Mem. Drvr        Labels: None
       Part No SW: 4E0 910 760 D    HW: 4E0 959 760 B
       Component: Sitzmemory FS  H02  0010  
       Revision: 00000000    Serial number: 5DS 008 795-03
       Coding: 4063330
       Shop #: WSC 02313 785 00200
       VCID: 24410EECE728306A91-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 37: Navigation        Labels: 4E0-910-88x-37.lbl
       Part No SW: 4E0 910 888 P    HW: 4E0 919 887 L
       Component: MNS ECE         H48 1060  
       Revision: 00000000    Serial number: 364KO067613122
       Shop #: WSC 01642 996 72817
       VCID: 3B73D5907A966F92C0-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 38: Roof Electronics        Labels: 4E0-910-135.lbl
       Part No SW: 4E0 910 135 A    HW: 4E0 907 135 A
       Component: Dachknoten D3   H05 0090  
       Serial number: 00000629800011
       Coding: 0036004
       Shop #: WSC 02313 785 00200
       VCID: 1D373B08C44201A2DE-8048
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels: 4E1-910-802-42.lbl
       Part No SW: 4E1 910 802 B    HW: 4E2 959 802 D
       Component: Türsteuer.FS BRM005 0180  
       Coding: 0027054
       Shop #: WSC 02313 785 00200
       VCID: 204902FCF3302C4AF5-8074
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 4E0-910-289.lbl
       Part No SW: 4E0 910 289 D    HW: 4E0 907 289 D
       Component: Komfortgeraet   H07 0010  
       Revision: 00100007    Serial number:  W040611210098
       Coding: 0005868
       Shop #: WSC 04632 996 86463
       VCID: 2A5DE0D4850CE61AAB-807E
    
       Subsystem 1 - Part No: 4E0 910 853 
       Component: Heckdeckel   P14H06 0070
    
    1 Fault Found:
    01134 - Alarm Horn (H12) 
                012 - Electrical Fault in Circuit
                 Freeze Frame:
                        Fault Status: 01101100
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 71
                        Mileage: 125387 km
                        Time Indication: 0
                        Date: 2017.01.14
                        Time: 06:58:21
    
    
    -------------------------------------------------------------------------------
    Address 47: Sound System        Labels: 4E0-910-223.lbl
       Part No SW: 4E0 910 223 Q    HW: 4E0 035 223 G
       Component: DSP-High D3     H03 0110  
       Revision: PROD_01     Serial number: 00000000000419
       Coding: 0000027
       Shop #: WSC 02313 785 00200
       VCID: 2B53E5D08AF6FF1250-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 4F: Centr. Electr. II        Labels: None
       Part No SW: 4E0 910 280 A    HW: 4E0 907 280 B
       Component: ILM Beifahrer   H11 0070  
       Revision:             Serial number: 00000000002775
       Coding: 0010101
       Shop #: WSC 02313 785 00200
       VCID: 1E353C04C9441ABAC7-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels: 4E1-910-802-52.lbl
       Part No SW: 4E1 910 802 B    HW: 4E2 959 801 D
       Component: Türsteuer.BF BRM005 0180  
       Coding: 0027054
       Shop #: WSC 02313 785 00200
       VCID: 204902FCF3302C4AF5-8074
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 4E0-910-801.clb
       Part No SW: 4E0 910 801 C    HW: 4E0 907 801 A
       Component: EPB  A32C0220   H02 0220  
       Revision: A32C0220    
       Coding: 0000731
       Shop #: WSC 30115 001 1048576
       VCID: 1F4B0100CE4E13B2CC-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 4F0-910-357.lbl
       Part No SW: 4F0 910 357 F    HW: 4F0 907 357 F
       Component: AFS 1           H01 0020  
       Revision: 00000001    Serial number:               
       Coding: 0000018
       Shop #: WSC 02313 785 00200
       VCID: 295F1FD8800AED02A2-807C
    
       Subsystem 1 - Part No: 4F0 941 329 B
       Component: AFS-Modul links H02 0020
    
       Subsystem 2 - Part No: 4F0 941 329 B
       Component: AFS-Modul rechtsH02 0020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 4E0-910-541.lbl
       Part No SW: 4E0 910 541 M    HW: 4E0 035 541 P
       Component: TUNER EU/US/RDW H42 0570  
       Revision: 00000000    Serial number: 396K5067549466
       Coding: 0000001
       Shop #: WSC 02313 785 00200
       VCID: 2A5DE0D4850CE61AAB-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 61: Battery Regul.        Labels: 4E0-910-181.lbl
       Part No SW: 4E0 910 181 C    HW: 4E0 915 181 C
       Component: J0644 BEM       H12 0550  
       Revision: 00000000    Serial number: 00000000024173
       Shop #: WSC 04632 996 86463
       VCID: 204902FCF3302C4AF5-8074
    
       Subsystem 1 - Part No: 4E0 915 105 A
       Component: von VA0  2611130045       
       Coding: 344530393135313035412056413032363131313330303435
       Shop #: WSC 00000 128 00289
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels: 4E0-910-802.lbl
       Part No SW: 4E0 910 802 A    HW: 4E0 959 801 D
       Component: Türsteuer.HL BRM005 0180  
       Coding: 0027054
       Shop #: WSC 02313 785 00200
       VCID: 1E353C04C9441ABAC7-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 67: Voice Control        Labels: 4E0-910-75x-67.lbl
       Part No SW: 4E0 910 754 S    HW: 4E0 035 753 A
       Component: SDS 3502 UK     H45 0630  
       Revision: 00000000    Serial number: 00000611060119
       Shop #: WSC 12336 024 394758
       VCID: 3665C4A441B4B2FA3F-8062
    
    1 Fault Found:
    01715 - Conversation Mode; Telephone 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00110100
                        Fault Priority: 5
                        Fault Frequency: 4
                        Reset counter: 69
                        Mileage: 157181 km
                        Time Indication: 0
                        Date: 2019.01.18
                        Time: 09:21:36
    
    
    -------------------------------------------------------------------------------
    Address 69: Trailer        Labels: 4E0-910-383.lbl
       Part No SW: 4E0 910 383 C    HW: 4E0 907 383 C
       Component: ANHAENGERELEKTR 004 0060  
       Coding: 0000001
       Shop #: WSC 02313 785 00200
       VCID: 24410EECE728306A91-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6C: Back-up Cam.        Labels: 4E0-910-441.clb
       Part No SW: 4E0 910 441     HW: 4L0 907 441 A
       Component: J772__Rearview      0050  
       Revision: --H12---    Serial number: 525PA8-J6910U2
       Coding: 1031302
       Shop #: WSC 02313 785 00200
       VCID: 5CB1760C9FD848AAE9-8008
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels: 4E0-910-802.lbl
       Part No SW: 4E0 910 802 A    HW: 4E0 959 802 D
       Component: Türsteuer.HR BRM005 0180  
       Coding: 0027054
       Shop #: WSC 02313 785 00200
       VCID: 1E353C04C9441ABAC7-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 76: Park Assist        Labels: 4E0-910-283.lbl
       Part No SW: 4E0 910 283 C    HW: 4E0 919 283 C
       Component: Parkhilfe 8-Kan H12 0040  
       Revision: 00H12000    Serial number: 08730630407528
       Coding: 0231008
       Shop #: WSC 131071 1023 2097151
       VCID: 23430DF0E2263752E8-8076
    
    1 Fault Found:
    02069 - Front Parking Aid Sensors 
                011 - Open Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101011
                        Fault Priority: 3
                        Fault Frequency: 2
                        Reset counter: 109
                        Mileage: 157264 km
                        Time Indication: 0
                        Date: 2019.01.20
                        Time: 17:16:35
    
    
    -------------------------------------------------------------------------------
    Address 77: Telephone
    Cannot be reached
    
    End-------------------------(Elapsed Time: 03:22)--------------------------

  4. #4
    Ross-Tech Employee Jef's Avatar
    Join Date
    Jan 2014
    Location
    HQ
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    Post Thanks / Like
    You have no codes for the throttle body... your values are plausible, 15.6% + 84.8% = 100.4. The values of the two sensors in a throttle body should add up to appropriately 100 at any given position the throttle body is in.

    The engine ECMs have codes for rich issues. Does the it have the correct spark plugs? Good compression? Leaking injectors? To help check for leaking injectors, have the engine up to operating temp (+80C coolant temp), then with the engine at idle, go to 01-08-106.1 and note the fuel rail pressure at idle. Exit out of the ECM, shut engine off, turn ignition back on but don't start engine. Go back into 01-08-106.1 and note the fuel rail pressure.

    As a general rule of thumb, with a hot engine rail pressure should go up about 20BAR in 2 minutes with the engine off. Rail pressure gets trapped when the engine is shut off, and with a hot engine you get heat soak, so the fuel rail become a bit of a pressure cooker.
    Jef
    Ross Tech Support Team, Alpha Squad
    Auto-Scan, learn it, love it, live it... then check the fuses.

  5. Likes Uwe, _Val liked this post
  6. #5
    Verified VCDS User
    Join Date
    Nov 2018
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    South Africa
    Posts
    11
    Post Thanks / Like
    Thanks Jef

    I know there are no codes specific to throttle body - I was wanting to make sure the values changing at the end of the adaptation did not indicate a problem.

    I am planning to do a compression test (while we are at it I will re-check the plugs) and will also run the fuel rail pressure test over the next few days and report back.

  7. #6
    NostraJackAss Jack@European_Parts's Avatar
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    There can indeed be no DTC's present in OBD2 or VAG mode with a TV error present & for a failed ADP in a TV controller.

    In order to check a status of a TV, a review of blocks in VCDS is advised for the TV and TV kick down should be observed directly too.

    Compression checks should always be done with a TV set to open/removed and flaps for intake set to full open.

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  8. #7
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    Quote Originally Posted by Jef View Post
    You have no codes for the throttle body... your values are plausible, 15.6% + 84.8% = 100.4. The values of the two sensors in a throttle body should add up to appropriately 100 at any given position the throttle body is in.

    The engine ECMs have codes for rich issues. Does the it have the correct spark plugs? Good compression? Leaking injectors? To help check for leaking injectors, have the engine up to operating temp (+80C coolant temp), then with the engine at idle, go to 01-08-106.1 and note the fuel rail pressure at idle. Exit out of the ECM, shut engine off, turn ignition back on but don't start engine. Go back into 01-08-106.1 and note the fuel rail pressure.

    As a general rule of thumb, with a hot engine rail pressure should go up about 20BAR in 2 minutes with the engine off. Rail pressure gets trapped when the engine is shut off, and with a hot engine you get heat soak, so the fuel rail become a bit of a pressure cooker.
    So as per your suggestion, I took the fuel pressure readings - 1st with the engine running showed +/- 35 bar, the 2nd with the engine not running, about 30-40 seconds later, showed +/-7.5 bar and dropping.

    I had all the injectors checked about 18 months (30,000km) ago and replaced a few that were dodgy.

    I guess its time to whip them all out again and have them checked.
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