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Thread: Audi A5 3.0TDI Intermittant DPF fault

  1. #1
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    Audi A5 3.0TDI Intermittant DPF fault

    Hi,

    I'm new to Ross-Tech and this is my first post. I've tried to be as detailed as possible but if I've missed something please let me know. I'm having issues with the DPF on my 2008 Audi A5 3.0 TDI. The issue has been ongoing intermittently for the year and a half that I've owned the car. It's been to a couple of different Audi specialists and the issue is still present, although can go 2 -3 months with out presenting itself. The two DTC's which usually present themselves are: 5188 - Diesel Particulate Filter (Bank 1) P242F 00 [032] - Restricted/Clogged and 5189 - Particulate Trap Bank 1 P2002 00 [032] - Efficiency Below Threshold. It does occasionally present the error 5162 - Exhaust Pressure Sensor 1 (G450)P0471 00 [229] - Implausible Signal although has not yet done this since the latest pressure sensor change.

    The EGR valve has been replaced as after the first pressure sensor change the car popped up with an EGR fault . The car's software has all been updated. The car has had the G450 Pressure sensor replaced three times, once before the EGR valve and twice after at different garages.

    The first two codes popped up again today whilst in stuck in town traffic. The car had just completed a 20 mile run at 60mph plus and then spent around ten minutes in queued traffic The DPF was not due a regeneration (does it around every 200 miles since software update) as the car had only covered just over 50 miles since the last one completed. The DPF light lit up, stayed on for around 30 seconds, then went out and got the flashing glowplug and limp mode. After leaving the car switched off for around 45 minutes, switched back on and no DPF light or flashing glowplug with full power restored. The car has done this previously whilst stuck in traffic, once after around 100 miles on a motorway.

    The freeze frame data show the Distance since regeneration at 0 miles however when going into advance measuring the data shows 54 miles since last regeneration. Clearly something is not right. With the engine off the car showed the Calculated soot level at 12.56g and measured at 0.72g. I then started the engine monitoring these fields and the measured soot levels whilst at idle increased to 24.19g after around 60 seconds before dropping back down to 3.16g after 10 minutes of sitting at idle. Calculated increased slightly to 12.65g. No error codes appeared during this 10 minutes sat at idle.

    The garages have checked all connections, wiring, pressure pipe and can find no issues. Does anyone have any ideas on what could be causing this error?

    Many Thanks
    Michael


    Code:
    Wednesday,01,August,2018,18:35:03:27910
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 18.2.1.2 (x64)  HEX-V2 CB: 0.4411.4
    Data version: 20180518 DS287.1
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8T88A021410   License Plate: XXXXXX
    Mileage: 150220km-93342mi   Repair Order: 0108181834
    
    
                    Address 01: Engine  (8K0 907 401 F)
    
    18:34:46
      ENG107988   Distance since last regeneration 87663 m
      ENG106427   Exhaust gas temp.after pre-catalyst 140.0 C
      ENG106429   Exhaust gas temp.bef.turbocharger 122.4 C
      ENG106430   Exhaust gas temperature before particulate filter 131.2 C
      ENG105211   Exhaust gas vol.flow particulate filter 0.0 m/h
      ENG107984   Oil ash 0.26 l
      ENG107975   Soot mass calculated 12.56 g
      ENG107974   Soot mass measured 0.72 g


    Code:
    Wednesday,01,August,2018,18:31:35:27910
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 18.2.1.2 (x64)  HEX-V2 CB: 0.4411.4
    Data version: 20180518 DS287.1
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8T88A021410   License Plate: xxxxxx
    Mileage: 150220km-93342mi   Repair Order: 0108181831
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8T-AU48 (8T0)
    Scan: 01 03 05 06 07 08 09 0E 10 15 16 17 19 36 37 42 46 47 52 53
              55 56 6C 77
    
    VIN: WAUZZZ8T88A021410   Mileage: 150220km-93342miles
    
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    06-Seat Mem. Pass -- Status: Malfunction 0010
    07-Control Head -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    0E-Media Player 1 -- Status: OK 0000
    10-Park/Steer Assist -- 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
    36-Seat Mem. Drvr -- Status: OK 0000
    37-Navigation -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    56-Radio -- Status: OK 0000
    6C-Back-up Cam. -- Status: OK 0000
    77-Telephone -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CAPA)       Labels:| 059-907-401-V1.clb
       Part No SW: 8K0 907 401 F    HW: 8K0 907 401 
       Component: 3.0TDI EDC17  H01 0008  
       Revision: --H01---    
       Coding: 0114002C180F0118
       Shop #: WSC 74565 000 1048576
       ASAM Dataset: EV_ECM30LTDIA5 A02008
       ROD: EV_ECM30LTDIA5_A02.rod
       VCID: 2E05F3F630919517D3B-807A
    
    3 Faults Found:
    5188 - Diesel Particulate Filter (Bank 1) 
              P242F 00 [032] - Restricted/Clogged
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 150221 km
                        Date: 2018.08.01
                        Time: 17:13:10
    
                        Engine speed: 809.50 /min
                        Normed load value: 25.5 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 84 C
                        Intake air temperature: 38 C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 14.320 V
                        Unlearning counter according OBD: 40
                        Engine speed: 804.0 /min
                        Vehicle speed: 0.00 km/h
                        Field regeneration status-Bits 0-7: 00000000 
                        Field regeneration status-Bits 0-7: 00101110 
                        Field regeneration status-Bits 0-7: 00000000 
                        Field regeneration status-Bits 0-7: 00000000 
                        Particul.filter diff.pressure: 8 hPa
                        Exh t Adap TP Flt Us: -270.0 C
                        Exhaust gas vol.flow particulate filter: 66.2 m/h
                        Distance since last regeneration: 0 m
    
    5417 - Glowplug for Cylinder 5 (Q15) 
              P161E 00 [109] - Open Circuit
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 149595 km
                        Date: 2018.07.23
                        Time: 08:44:50
    
                        Engine speed: 1165.00 /min
                        Normed load value: 64.7 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 24 C
                        Intake air temperature: 23 C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 11.640 V
                        Unlearning counter according OBD: 40
                        Engine speed: 1165.0 /min
                        Vehicle speed: 0.00 km/h
                        Vehicle voltage terminal 30: 11660 mV
                        Coolant temperature: 24.7 C
                        Preheating system status-Bits 0-7: 00000000 
                        Preheating system status-Bits 0-7: 10110000 
                        Glw Plg r LVS Ps: 21.65 %
                        Intake air temperature: 23.5 C
    
    5189 - Particulate Trap Bank 1 
              P2002 00 [032] - Efficiency Below Threshold
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 150221 km
                        Date: 2018.08.01
                        Time: 17:13:10
    
                        Engine speed: 809.50 /min
                        Normed load value: 25.5 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 84 C
                        Intake air temperature: 38 C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 14.320 V
                        Unlearning counter according OBD: 40
                        Engine speed: 804.0 /min
                        Vehicle speed: 0.00 km/h
                        Field regeneration status-Bits 0-7: 00000000 
                        Field regeneration status-Bits 0-7: 00101110 
                        Field regeneration status-Bits 0-7: 00000000 
                        Field regeneration status-Bits 0-7: 00000000 
                        Particul.filter diff.pressure: 8 hPa
                        Exh t Adap TP Flt Us: -270.0 C
                        Exhaust gas vol.flow particulate filter: 66.2 m/h
                        Distance since last regeneration: 0 m
    
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
       Part No SW: 8K0 907 379 N    HW: 8K0 907 379 N
       Component: ESP8 quattro  H03 0210  
       Revision: --------    Serial number: --------------
       Coding: 1B4500
       Shop #: WSC 06325 000 00000
       VCID: 44D1B15E8E9D0F4715F-8010
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 8K0 907 289 C    HW: 8K0 907 289 C
       Component: BCM2.01       H38 0253  
       Revision: 00003002    
       Coding: 031000
       Shop #: WSC 06325 000 00000
       VCID: 392FD0AAF95F42AF769-806C
    
       Subsystem 1 - Part No SW: 8T0 959 754 D    HW: 8T0 959 754 D
       Component: FBSAUDIB8 IDG  H34 0050 
       Serial number: 0107000147258012    
    
       Subsystem 2 - Part No SW: 8K0 905 852 C    HW: 8K0 905 852 C
       Component: ELVAUDIB8  H35 0039 
       Serial number: 0207000001350008    
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 06: Seat Mem. Pass (J521)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 B    HW: 8T0 959 760 B
       Component: MEM-BFS       H09 0043  
       Revision: AA000000    Serial number: 00001001046034
       Coding: 08217025002444111000
       Shop #: WSC 00579 210 91872
       VCID: 42DDB74694890177273-8016
    
    1 Fault Found:
    03338 - Force Limit for Fore/Aft Seat Adjustment: Forwards 
                005 - No or Incorrect Basic Setting / Adaptation
                 Freeze Frame:
                        Fault Status: 01100101
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 196
                        Mileage: 147858 km
                        Time Indication: 0
                        Date: 2018.06.11
                        Time: 17:58:08
    
    
    -------------------------------------------------------------------------------
    Address 07: Control Head        Labels: 8T0-035-7xx-07-H.clb
       Part No SW: 8T0 035 729 F    HW: 4E0 035 729 A
       Component: Interfacebox    H43 4690  
       Revision: 00000000    Serial number: 331KQ077515209
       Coding: 0005002
       Shop #: WSC 06325 000 00000
       VCID: 3C21C9BEFA6D77876DF-8068
    
       Subsystem 1 - Part No: 8T0 919 609 
       Component: E0380 BedienteilH07 0100
    
       Subsystem 2 - Serial number: 00000000024033
    
       Subsystem 3 - Serial number: 0117.10.070000000100010063
    
       Subsystem 4 - Serial number: 010063
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:. 8Tx-820-043-3Z.clb
       Part No SW: 8T2 820 043 N    HW: 8T2 820 043 N
       Component: KLIMA 3 ZONEN H05 0120  
       Revision: D1000000    Serial number: 0107.11.070004
       Coding: 36060000
       Shop #: WSC 06325 000 00000
       VCID: 3D27C4BAED777E8F5A1-8068
    
    2 Faults Found:
    01087 - Basic Setting Not Performed 
                005 - No or Incorrect Basic Setting / Adaptation
                 Freeze Frame:
                        Fault Status: 01100101
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 174
                        Mileage: 147338 km
                        Time Indication: 0
                        Date: 2018.05.25
                        Time: 12:10:22
    
    01274 - Air Flow Flap Positioning Motor (V71) 
                003 - Mechanical Failure - Intermittent
                 Freeze Frame:
                        Fault Status: 00100011
                        Fault Priority: 3
                        Fault Frequency: 224
                        Reset counter: 65
                        Mileage: 147340 km
                        Time Indication: 0
                        Date: 2018.05.25
                        Time: 16:37:03
    
                 Freeze Frame:
                        Voltage: 14.50 V
                        Temperature: 14.0C
                        Temperature: 11.0C
                        Count: 10681
                        Count: 10904
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
       Part No SW: 8K0 907 063 D    HW: 8K0 907 063 D
       Component: BCM1 1.0      H21 0253  
       Revision: 05021001    Serial number: 00000000051818
       Coding: 260050910014AF010009000300005D5D001D038800010141000000
       Shop #: WSC 00385 210 90023
       VCID: 3039ED8E2A2583E7C17-8064
    
       Subsystem 1 - Part No SW: 8T2 955 119 B    HW: 8J2 955 119   Labels: 1KX-955-119.CLB
       Component: WWS 271007  H11 0040 
       Serial number: SWFBIE 0000205      
       Coding: 00FD11
    
       Subsystem 2 - Part No SW: 8K0 955 559     HW: 8K0 955 559   Labels: 8K0-955-559.CLB
       Component: RLS  H04 0002 
       Serial number: 10017544            
       Coding: 02532C
    
       Subsystem 3 - Part No SW: 8K0 941 531 G    HW: 8K0 941 531 G
       Component: E1 - LDS  H07 0070 
       Serial number: 00000000000511070071
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 0E: Media Player 1        Labels: 4E0-910-111.lbl
       Part No SW: 8T2 035 110 B    HW: 8T2 035 110 A
       Component: MP3-Changer     H42 0380  
       Revision: 00042002    Serial number: AUZ5ZBG4531892
       Shop #: WSC 00000 000 00000
       VCID: 2A0DFFE600F9F9370F3-807E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J446)       Labels:. 8K0-919-475.clb
       Part No SW: 8K0 919 475 C    HW: 8K0 919 475 A
       Component: PARKHILFE 8K  H06 0010  
       Revision: 11001001    Serial number: 75230731706491
       Coding: 300001
       Shop #: WSC 06325 000 00000
       VCID: 392FD0AAF95F42AF769-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 8K0-959-655.clb
       Part No SW: 8K0 959 655 B    HW: 8K0 959 655 B
       Component: AirbagVW-AU10 H23 0409  
       Serial number: 0038JD11DDB$  
       Coding: 30323433363030303030554A305238543053
       Shop #: WSC 06325 000 00000
       ASAM Dataset: EV_AirbaECUVWAUDI010 A02001
       ROD: EV_AirbaECUVWAUDI010_A02.rod
       VCID: 3C21C9BEF6ED77876DF-8068
    
       Crash sensor for side airbag: driver side: 
       Serial number: 6334MSME3177541EF
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 6344MSME3174387DK
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 6352QSME4577314BJ
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 6362QSME4628364BM
    
       Crash sensor for front airbag: driver side: 
       Serial number: 63732SME447B38395
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 63832SME447A4009 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
       Part No SW: 8K0 953 568 F    HW: 8K0 953 568 F
       Component: Lenks.Modul   H10 0012  
       Revision: --------    Serial number: 90304GJV0002P 
       Coding: 000016
       Shop #: WSC 06325 000 00000
       VCID: 3D27C4BAED777E8F5A1-8068
    
       Component: E221 - MFL  H02 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
       Part No SW: 8T0 920 981 B    HW: 8T0 920 981 B
       Component: KOMBIINSTR.   H28 0214  
       Revision: 00100000    Serial number: 71Y36R5C7     
       Coding: 2F05010002002600010000
       Shop #: WSC 06325 000 00000
       VCID: 3B23CAA2F36370BF645-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
       Part No SW: 8T0 907 468 F    HW: 8T0 907 468 F
       Component: GW-BEM 4CAN-M H07 0084  
       Revision: EB002032    Serial number: 3200E07A178057
       Coding: 000003
       Shop #: WSC 00583 210 66199
       VCID: 44D1B15E8E9D0F4715F-8010
    
       Subsystem 1 - Part No SW: 8K0 915 181     HW: 8K0 915 181 
       Component: J367-BDM  H06 0150 
       Serial number: 17006C18221007      
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 36: Seat Mem. Drvr (J136)       Labels:. 8T0-959-760.clb
       Part No SW: 8T0 959 760 B    HW: 8T0 959 760 B
       Component: MEM-FS        H09 0043  
       Revision: AA000000    Serial number: 00001001047015
       Coding: 08397325002444111000
       Shop #: WSC 06325 000 00000
       VCID: 42DDB74694890177273-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 37: Navigation        Labels: 4E0-910-88x-37.lbl
       Part No SW: 4E0 910 887 T    HW: 4E0 919 887 M
       Component: MNS ECE         H50 1030  
       Revision: 00000000    Serial number: 333K 077526955
       Shop #: WSC 00583 210 66199
       VCID: 3E25C3B6EC71659743B-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
       Part No SW: 8T0 959 793 J    HW: 8T0 959 793 D
       Component: TSG FA        H07 1301  
       Revision: --------    Serial number: --------------
       Coding: 011002225E01120102
       Shop #: WSC 74565 000 1048576
       VCID: 50F98D0E4AE5E3E7A17-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
       Part No SW: 8K0 907 289 C    HW: 8K0 907 289 C
       Component: BCM2.01       H38 0253  
       Revision: 00003002    Serial number: 0107198771    
       Coding: 011B0682003904C0002000
       Shop #: WSC 06335 000 00000
       VCID: 392FD0AAF95F42AF769-806C
    
       Subsystem 1 - Part No: 8K0 951 177 
       Component: DWA-Sensor  H02 0030 
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H03 1301 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System (J525)       Labels:. 8T0-035-223-BOM.clb
       Part No SW: 8T0 035 223 M    HW: 8T0 035 223 C
       Component: DSP Prem      H12 0280  
       Revision: 00H12003    Serial number: 34813000942102
       Coding: 020101
       Shop #: WSC 12336 024 394758
       VCID: 3829D5AEC2555BA7897-806C
    
    1 Fault Found:
    02247 - Subwoofer (R148/R157) 
                007 - Short to Ground
                 Freeze Frame:
                        Fault Status: 01100111
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 174
                        Mileage: 147338 km
                        Time Indication: 0
                        Date: 2018.05.25
                        Time: 16:32:28
    
                 Freeze Frame:
                        Voltage: 12.00 V
                        Temperature: 5.0C
                        Temperature: 8.0C
                        Bin. Bits: 00000100
    
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
       Part No SW: 8K0 959 792     HW: 8K0 959 792 
       Component: TSG BF        H09 0149  
       Revision:             Serial number: i
       Coding: 011002225E012201
       Shop #: WSC 06335 000 00000
       VCID: 7CA109BEB6EDB7872DF-8028
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (J540)       Labels: 8K0-907-801-V1.clb
       Part No SW: 8K0 907 801 C    HW: 8K0 907 801 C
       Component: EPB Audi B8   H03 0040  
       Revision: 00000003    Serial number: 00000000030043
       Shop #: WSC 00000 000 00000
       VCID: 2F3BEEF2371B9C1FD8D-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range        Labels: 8K0-907-357.clb
       Part No: 8K0 907 357 A
       Component: Dynamische LWR  H01 0010  
       Revision: 00000001    Serial number:               
       Coding: 0000002
       Shop #: WSC 06325 000 00000
       VCID: 3333E282D733B8FFBC5-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 4E0-910-541.lbl
       Part No SW: 4E0 910 541 Q    HW: 4F0 035 541 L
       Component: TUNER EU/US/RDW H42 0620  
       Revision: 00000000    Serial number: 336KY077524392
       Coding: 0000001
       Shop #: WSC 06325 000 00000
       VCID: 2E05F3F63C119517D3B-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 6C: Back-up Cam.        Labels: 8T0-907-441.clb
       Part No SW: 8T0 907 441     HW: 4L0 907 441 A
       Component: J772__Rearview      0040  
       Revision: --H12---    Serial number: 525PA8-J7X5068
       Coding: 1022008
       Shop #: WSC 06325 000 00000
       VCID: 75B71C9A99C7E6CF521-8020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 4E0-910-336.lbl
       Part No SW: 4E0 910 336 K    HW: 4E0 862 335 
       Component: Handyvorb2      H18 0950  
       Revision: 00000000    Serial number: 00000005112835
       Coding: 0010920
       Shop #: WSC 00385 210 89996
       VCID: 2A0DFFE600F9F9370F3-807E
    
    No fault code found.
    
    End----------(Elapsed Time: 01:53, VBatt start/end: 12.1V/12.0V)-----------

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  3. #2
    NostraJackAss Jack@European_Parts's Avatar
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    Nice first post & welcome to the VCDS forum.

    Is car stock update verified & not modified?

    Maybe measure the DPF and CAT on one bank and compare to the other bank with vacuum gauge to authenticate the difference and the actual restriction levels.

    Have you tried cleaning the DPF?

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    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  4. #3
    Verified VCDS User
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    Thanks for the reply.

    The car is stock update and not modified in any way. The DPF has been cleaned by Terraclean, who also checked and cleaned the intake, turbo and throttle body although there was very little in terms of carbon deposits in these.

    I don't have access to a Vacuum Gauge, but will see if I can get hold of one. In terms of the result should I manage to get hold of one, what should I be looking at as being acceptable back pressure?

    This issue has had both garages puzzled as the car drives fine at all other times and still carries out the regenerations.

    Thanks Michael

  5. #4
    NostraJackAss Jack@European_Parts's Avatar
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    I don't have access to a Vacuum Gauge, but will see if I can get hold of one. In terms of the result should I manage to get hold of one, what should I be looking at as being acceptable back pressure?
    Ref the RTFB and the instructions of the respective tester you use and orifice size because size in this case does matter!

    or

    Find a car that is in perfect working order and measure that one with what you make up and use as a comparison using a +/- 5% deviation max.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Hi Michael,
    Do you know if the Exhaust Pressure Sensors were genuine or aftermarket?
    Regards HMC

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    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by M_Ayre View Post
    The DPF has been cleaned by Terraclean
    Are you 100% sure that the Terraclean has actually cleaned the DPF without damaging it or maybe even the throttle body?

    Terraclean get a regular slating on most UK car owners forums for promising much but delivering little if any benefits.

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    NostraJackAss Jack@European_Parts's Avatar
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    OP: Do it yourself..........


    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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    The Pressure Sensors are genuine Audi from the Dealership, part 059 906 051A. I only ever get the same DTC's, nothing referring to the throttle body or any other components. I've not managed to manually compare the restriction levels yet. It's frustrating as the car can go months with out any issues then has a few days of persistent error codes.

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    I would still look at the throttle body and check the plastic gears for missing thoots, I hade the same issue on my CAPA back in january and I think that the issue came from two componets: G450 and throttle body.

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