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Thread: Confused newb with some questions

  1. #1
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    Confused newb with some questions

    Hi All,

    Glad to be here finally after thinking about getting this software for a few years!

    I have bought a Hex-V2 and have downloaded the newest VCDS software (19.6.1?) from the RT website. I have also updated the firmware and registered with RT. So hopefully, I'm good to start using VCDS and the Hex-V2.


    My questions are:
    1. Why are some boxes not available to me in the VCDS software. For example, there are 4 boxes for 'Engine' under 'drivetrain' but I can only click on 01-Engine - the others throw up a ' not found' message. Similarly, 'measuring blocks' using 01-engine is not available to me ???

    2. The videos in the Wiki (e.g. for Throttle Body Alignment) show a much older software version of VCDS. As such, when I try and do the same steps using the current software, they look nothing alike. In the video, the very first step in the TB alignment shows 01-Engine / measuring blocks. I do not have the same pages . For example, there are no group boxes anywhere? So how do I check the battery voltage first - measuring value block group 004 ? Since measuring blocks are not available (as above), how and where do I enter values in group boxes ???

    3. How can I find out my engine variant? My car is a 2018 Audi S5 coupe. UDS is displayed in the comm status box so therefore I presume my car uses the UDS protocol?

    4. How do I code to release the rear electronic brake so I can change the rear rotors and pads?

    5. Ditto for headlight adjustment - I need to raise them. Is there a page with coding on the forums or the wiki?


    Thanks in advance. I hope this thread is in the right place.
    Last edited by samstar; 09-10-2019 at 03:48 PM.

  2. #2
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    here's my scan

    Code:
    Tuesday,10,September,2019,16:40:41:43858
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 19.6.1.0 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    
    
    Chassis Type: FR-AU48 (8R0)
    Scan: 01 02 03 05 06 08 09 15 16 17 19 22 36 42 44 46 47 52 53 56
              5F 6C A9
    
    VIN: WAUCGAFR3DA018672   Mileage: 83300km-51760miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    06-Seat Mem. Pass -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    22-AWD -- Status: OK 0000
    36-Seat Mem. Drvr -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    56-Radio -- Status: OK 0000
    5F-Information Electr. -- Status: OK 0000
    6C-Back-up Cam. -- Status: OK 0000
    A9-Struct. Borne Sound -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CGXC)       Labels:. 06E-907-551-CGW.clb
       Part No SW: 8K5 907 551 E    HW: 4G0 907 551 A
       Component: 3.0l V6 TFSIX07 0002  
       Revision: --X07---    
       Coding: 1A250034052600060000
       Shop #: WSC 06208 000 00000
       ASAM Dataset: EV_ECM30TFS0218K5907551E 001002
       ROD: EV_ECM30TFS0218K5907551E.rod
       VCID: 3829297072D93EE7329-806C
    
    2 Faults Found:
    6323 - MAP/MAF <-> Throttle Position Correlation 
              P0068 00 [047] - -
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 83244 km
                        Date: 2019.09.06
                        Time: 20:09:16
    
                        Engine speed: 700.00 /min
                        Normed load value: 14.5 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 93 °C
                        Intake air temperature: 52 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 12.898 V
                        Unlearning counter according OBD: 40
                        Engine speed: actual: 704 /min
                        MAP_1_ENVD: 376.77148 hPa
                        MAP_2_ENVD: 382.07813 hPa
                        TPS_ENVD: 4.7 %
                        Ignition angle: actual: -0.375 °
                        RFP_AV_ENVD: 55.3937
    
    6307 - MAP/MAF <-> Throttle Position Correlation 
              P0068 00 [175] - -
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 83244 km
                        Date: 2019.09.06
                        Time: 20:09:16
    
                        Engine speed: 702.00 /min
                        Normed load value: 14.5 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 93 °C
                        Intake air temperature: 52 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 12.898 V
                        Unlearning counter according OBD: 40
                        Engine speed: actual: 704 /min
                        MAP_1_ENVD: 376.77148 hPa
                        MAP_2_ENVD: 376.77148 hPa
                        PDT_ENVD: 371.46484 hPa
                        AMP_ENVD: 981.7285 hPa
                        RFP_AV_ENVD: 55.3937
    
    Readiness: 0000 0100
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans (J217)       Labels:| 0B5-927-156.clb
       Part No SW: 8K2 927 156 M    HW: 0B5 927 156 J
       Component: 0B5 30TFSINAR H01 0004  
       Revision: --H01---    
       Coding: 000001
       Shop #: WSC 06325 000 00000
       ASAM Dataset: EV_TCMDL501021 001010
       ROD: EV_TCMDL501021.rod
       VCID: 40D941902A0976278A9-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
       Part No SW: 8K0 907 379 CK    HW: 8K0 907 379 CK
       Component: ESP8 quattro  H09 0100  
       Revision: --------    Serial number: --------------
       Coding: 291D1A
       Shop #: WSC 06325 000 00000
       VCID: 04518D807E11AA07EE1-8050
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 8K0 907 064 GM    HW: 8K0 907 064 FM
       Component: BCM2 2.0      H11 0621  
       Revision: 00002001    
       Coding: 0D804000000000000000
       Shop #: WSC 06325 000 00000
       VCID: 015F84946103BF2FC57-8054
    
       Subsystem 1 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
       Component: J764 ELV MLB  H40 0046 
       Serial number: 2312000156798013    
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 06: Seat Mem. Pass (J521)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 E    HW: 8T0 959 760 E
       Component: MEM-BFS       H10 0076  
       Revision: AA000000    Serial number: 00000034056350
       Coding: 00037025002C00000000
       Shop #: WSC 06325 000 00000
       VCID: 45D7508435AB530FB9F-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels: Redir Fail!
       Part No SW: 8K1 820 043 T    HW: 8K1 820 043 T
       Component: KLIMA 3 ZONEN H04 0121  
       Revision: C1000000    Serial number: 01190720120724
       Coding: 6602228000
       Shop #: WSC 06325 000 00000
       VCID: 392F2C74495327EFCD7-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
       Part No SW: 8K0 907 063 DH    HW: 8K0 907 063 DH
       Component: BCM1 1.0      H16 0103  
       Revision: 08016001    Serial number: 00000451570602
       Coding: 2600C011873CAFE0210048C300003D0D0F9CD388A2090221000008004000030100000030000000
       Shop #: WSC 12345 123 61029
       VCID: 78A9E97032D9FEE7F29-802C
    
       Subsystem 1 - Part No SW: 8T1 955 119 D    HW: 8J1 955 119   Labels: 1KX-955-119.CLB
       Component: WWS 200712  H15 0080 
       Serial number: SWF12070200161      
       Coding: 00FD11
    
       Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
       Component: G397_RLFS  H06 0002 
       Serial number: 20436550            
       Coding: 02005D
    
       Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
       Component: E1 - LDS  H03 0031 
       Serial number: 00000000001207120115
    
       Subsystem 4 - Part No SW: 4G0 907 410 A    HW: 4H0 907 410 A
       Component: USHL4.2  H30 0030 
       Serial number: 0000002274555R2AZV02
    
       Subsystem 5 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
       Component: AQ_Hum_Sensor  H03 0003 
       Serial number: 4EA88C36000000000001
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 8K0-959-655.clb
       Part No SW: 8K0 959 655 P    HW: 8K0 959 655 P
       Component: AirbagVW-AU10 H45 0610  
       Serial number: 003KJD90GHU+  
       Coding: 303343334830303030304A55304C38543053
       Shop #: WSC 06325 000 00000
       ASAM Dataset: EV_AirbaECUVWAUDI010 003010
       ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
       VCID: 4ACD63B81C35BC7754D-801E
    
       Seat occupied recognition: 
       Subsystem 1 - Part No SW: 8K0 959 339 A    HW: 8K0 959 339 A
       Component: BF-Gewichtss.  H02 0060 
       Serial number: 5810000R1200009FX2
    
       Crash sensor for side airbag: driver side: 
       Serial number: 6334MSME6F020565C
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 6344MSME6E11001B8
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 6352QSME211C1B62D
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 6362QSME1B1C1D44P
    
       Crash sensor for front airbag: driver side: 
       Serial number: 63732SME091A3F543
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 63832SME601C2146W
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
       Part No SW: 8R0 953 568 S    HW: 8R0 953 568 S
       Component: Lenks.Modul   H07 0171  
       Revision: 00000000    Serial number: 20120724000657
       Coding: 000036
       Shop #: WSC 06325 000 00000
       VCID: 51FF74D4F1E38FAF157-8004
    
       Component: E221 - MFL  H03 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
       Part No SW: 8T0 920 983 P    HW: 8T0 920 983 P
       Component: KOMBIINSTR.   H35 0553  
       Revision: 00000000    Serial number: RAU74PE7D     
       Coding: 8BBF01008301D705020000
       Shop #: WSC 12345 123 61029
       VCID: 4BC366BC13CFA57F6FB-801E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
       Part No SW: 8R0 907 468 H    HW: 8R0 907 468 C
       Component: GW-BEM 4CAN-M H11 0051  
       Revision: 1Y050025    Serial number: 2541Y12712035A
       Coding: 80C303FF00
       Shop #: WSC 06325 000 00000
       VCID: 44D14D803E916A07AE1-8010
    
       Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
       Component: J367-BDMHella  H03 8041 
       Serial number: 4215187801          
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 22: AWD (J492)       Labels: 8K0-907-163.clb
       Part No SW: 8K0 907 163 B    HW: 8K0 907 163 A
       Component: 4 Wheel Drive H13 0100  
       Serial number: 000907120001016
       ASAM Dataset: EV_AllWheelDiffeQSPCAN 003019
       ROD: EV_AllWheelDiffeQSPCAN.rod
       VCID: 2F3B122C8797F95F633-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 36: Seat Mem. Drvr (J136)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 E    HW: 8T0 959 760 E
       Component: MEM-FS        H10 0076  
       Revision: AA000000    Serial number: 00000034153105
       Coding: 001B7B25002C00000000
       Shop #: WSC 06325 000 00000
       VCID: 45D7508435AB530FB9F-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
       Part No SW: 8T0 959 793 P    HW: 8T0 959 793 G
       Component: TSG FA        H09 0304  
       Revision: --------    Serial number: --------------
       Coding: 011C13224E00120102
       Shop #: WSC 06325 000 00000
       VCID: 56F587C8D80DE897C05-8002
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
       Part No SW: 8K0 909 144 F    HW: 8K0 909 144 B
       Component: RCEPS         H37 0507  
       Revision: 00001000    Serial number: 0009710662
       Coding: 100000010001
       Shop #: WSC 06324 000 00000
       ASAM Dataset: EV_RCEPSAU48X 008014
       ROD: EV_RCEPSAU48X_008.rod
       VCID: 34311D406EB1DA871E1-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
       Part No SW: 8K0 907 064 GM    HW: 8K0 907 064 FM
       Component: BCM2 2.0      H11 0621  
       Revision: 00002001    Serial number: 0180568859    
       Coding: 0106069A00FA400582B0003200000000
       Shop #: WSC 12345 123 61029
       VCID: 015F84946103BF2FC57-8054
    
       Subsystem 1 - Part No SW: 8K0 959 719 B    HW: 8K0 959 719 
       Component: GTO BF  H01 0080 
       Serial number: 00000000000000546624
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H05 1501 
    
       Subsystem 3 - Part No SW: 8R0 959 591 A    HW: 8R0 959 591 
       Component: J245EE20SKB13  H03 0220 
       Serial number: 0123456789ABCDEFGHIJ
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System (J525)       Labels:. 8T0-035-223-BOM.clb
       Part No SW: 8T1 035 223 A    HW: 8T1 035 223 A
       Component: DSP Prem      H05 0030  
       Revision: 00005001    Serial number: 94813004795402
       VCID: 2D0708248D1B8B4F51F-8078
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
       Part No SW: 8T0 959 792 P    HW: 8T0 959 792 G
       Component: TSG BF        H09 0304  
       Revision: --------    Serial number: --------------
       Coding: 011C13224E00120102
       Shop #: WSC 06325 000 00000
       VCID: 55F780C4C50BE38FC9F-8000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
       Part No SW: 8K0 907 801 L    HW: 8K0 907 801 J
       Component: EPB-4         H01 0003  
       Revision: --------    Serial number: 20000000118260
       ASAM Dataset: EV_ParkiBrake 001027
       ROD: EV_ParkiBrake_AU48.rod
       VCID: 3829297072D93EE7329-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (R)       Labels: Redir Fail!
       Part No SW: 4G0 035 082 D    HW: 4G0 035 082 
       Component: Radio U SIRIU H60 0112  
       Revision: AB001007    Serial number: 156GY0C7616313
       Coding: 020007010000000001
       Shop #: WSC 06325 000 00000
       VCID: 211FE414C1C35F2FE57-8074
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
       Part No SW: 8R1 035 746 B    HW: 8R1 035 746 B
       Component: H-BNT-NA      H43 0552  
       Revision: --------    Serial number: 204GW0C7513753
       Coding: 140200020206A1EF45028B4E00000403140000000000000000
       Shop #: WSC 06325 000 00000
       VCID: 36352748784DC897205-8062
    
       Subsystem 1 - Part No: 8R0 060 884 AM
       Component: NAR 2012  0605 
    
       Subsystem 2 - Part No SW: 8R0 919 604     HW: 8R0 919 604 
       Component: DU7 High  H41 0104 
       Serial number: A130GK0C2503128     
    
       Subsystem 3 - Part No SW: 8T0 919 611 C    HW: 8T0 919 611 C
       Component: E0380 Bedient  H02 0020 
       Serial number: 00000001222804      
    
       Subsystem 4 - Part No: 8R0 060 961 D
       Component: CD-Database  4353 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6C: Back-up Cam.        Labels: 8T0-907-441.clb
       Part No SW: 8T0 907 441 C    HW: 4L0 907 441 B
       Component: J772__Rearview      0040  
       Revision: --H07---    Serial number: 525PA8-J2592MV
       Coding: 1000008
       Shop #: WSC 06325 000 00000
       VCID: 382929707E593EE7329-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address A9: Struct. Borne Sound        Labels: 4H0-907-159.clb
       Part No SW: 8K0 907 159     HW: 4H0 907 159 A
       ASAM Dataset: EV_SoundActuaGen2AU64X 002005
       ROD: EV_SoundActuaGen2AU64X_002.rod
       VCID: 72BDDB58542594B7CCD-8026
    
    No fault code found.
    
    End----------(Elapsed Time: 02:21, VBatt start/end: 12.9V/14.1V)-----------
    Last edited by Uwe; 09-10-2019 at 05:27 PM. Reason: CODE tags

  3. #3
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    Welcome to the forum. Let's see if I can be of some help.

    Quote Originally Posted by samstar View Post
    1. Why are some boxes not available to me in the VCDS software. For example, there are 4 boxes for 'Engine' under 'drivetrain' but I can only click on 01-Engine - the others throw up a ' not found' message. Similarly, 'measuring blocks' using 01-engine is not available to me ???
    Boxes not available to you are items that are not installed in your car. Not much sense showing stuff that is not there. Will likely confuse the issues.

    2. The videos in the Wiki (e.g. for Throttle Body Alignment) show a much older software version of VCDS. As such, when I try and do the same steps using the current software, they look nothing alike. In the video, the very first step in the TB alignment shows 01-Engine / measuring blocks. I do not have the same pages . For example, there are no group boxes anywhere? So how do I check the battery voltage first - measuring value block group 004 ? Since measuring blocks are not available (as above), how and where do I enter values in group boxes ???
    Right. Your car is using all UDS functionality. When you go to Basic Settings or to Adaptations, there are drop down boxes with the information and procedures. You did take a look at the online manual - right?



    3. How can I find out my engine variant? My car is a 2018 Audi S5 coupe. UDS is displayed in the comm status box so therefore I presume my car uses the UDS protocol?
    Correct. Your car uses UDS. The engine code is normally stamped on the engine itself. Someone posted a photo of that... hmm.. where is it... I can't find it at the moment... perhaps others will come along to help.

  4. #4
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    Thanks, your Autoscan gives the engine code:

    Engine (J623-CGXC)
    The code is CGXC.

  5. #5
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    Quote Originally Posted by Bruce View Post
    Welcome to the forum. Let's see if I can be of some help.

    Boxes not available to you are items that are not installed in your car. Not much sense showing stuff that is not there. Will likely confuse the issues.

    Right. Your car is using all UDS functionality. When you go to Basic Settings or to Adaptations, there are drop down boxes with the information and procedures. You did take a look at the online manual - right?
    Thanks for the quick reply Bruce

    Noted on the shaded out boxes - just wanted to make sure it wasn't a fault

    UDS - got it. I didn't see the online manual - thanks that's helpful. I do have some PDFs from various audi forums with help on how to do things but this manual should help a great deal.

    Thanks for the engine variant code also.

    So do the drop down boxes in the new VCDS software take the place of the measuring block group numbers in the older version ?
    Last edited by Uwe; 09-10-2019 at 05:40 PM. Reason: Snipped quote

  6. #6
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by samstar View Post
    So do the drop down boxes in the new VCDS software take the place of the measuring block group numbers in the older version ?
    Yes, pretty much.

    On your engine, TBA should be this Basic Setting:
    IDE00754 -- Test of throttle valve adaptation

    However, I doubt this will cure the MAP/MAF <-> Throttle Position Correlation faults.

    As for the EPB, have a look here:
    http://wiki.ross-tech.com/wiki/index...ng_Brake_EPB-4

    Headlight adjustment: Since your car doesn't have a separate headlight range module, I believe this page is applicable:
    http://wiki.ross-tech.com/wiki/index...19)_controller

    -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.

  7. #7
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    Quote Originally Posted by Uwe View Post
    Yes, pretty much.

    On your engine, TBA should be this Basic Setting:
    IDE00754 -- Test of throttle valve adaptation

    However, I doubt this will cure the MAP/MAF <-> Throttle Position Correlation faults.

    As for the EPB, have a look here:
    http://wiki.ross-tech.com/wiki/index...ng_Brake_EPB-4

    Headlight adjustment: Since your car doesn't have a separate headlight range module, I believe this page is applicable:
    http://wiki.ross-tech.com/wiki/index...19)_controller

    -Uwe-

    Thanks for the info.

    I'm going to take the MAP sensors off and clean them. I'm also going to clean out the TB. I'm hoping that will do the job? If not, what else should I look at?

    Thanks for the EPB and the Headlight links.

    Excellent help and service on this forum guys, I must say

  8. Likes Eric, Uwe liked this post
  9. #8
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by samstar View Post
    I'm hoping that will do the job? If not, what else should I look at?
    At that point, I would be looking at actual MAP and MAF values to see if they're reasonable. Something somewhere is slightly out of whack; not enough for the ECU to decide the sensor is bad, but enough to throw off a cross-check of readings.

    -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.

  10. #9
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    Quote Originally Posted by Uwe View Post
    At that point, I would be looking at actual MAP and MAF values to see if they're reasonable. Something somewhere is slightly out of whack; not enough for the ECU to decide the sensor is bad, but enough to throw off a cross-check of readings.

    -Uwe-
    Do you suggest just getting new sensors?
    If not, how do I determine what the MAP values should be (there's no MAF in this car) - I don't have repair manual?

  11. #10
    VCDS Distributor
    Join Date
    Sep 2014
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    With the engine off the MAP should read atmospheric pressure (you can look this value up online for where you are located). This is a good starting check.
    When idling the pressure usually drops below atmospheric pressure.

  12. Likes Uwe liked this post

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