Audi S4; Misfire, Cylinder disabling

   #1  

Dukedesmo

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2014 Audi S4 Avant, driving normally then suddenly develops a misfire and loss of power, EPC light comes on. Fortunately just a few miles out so 'limped' home.

Ran auto scan and got the following;

Code:
Tuesday,14,November,2017,15:06:35:24986
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 17.8.0.1 (x64)
Data version: 20170721 DS276.2
www.Ross-Tech.com


VIN: WAUZZZ8K7EA150192   License Plate: 
Mileage: 36420km-22630mi   Repair Order: misfire



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 8K-AU48 (8R0)
Scan: 01 02 03 05 08 09 15 16 17 19 30 36 42 44 46 47 52 53 56 5F
          62 6D 72 A9

VIN: WAUZZZ8K7EA150192   Mileage: 36420km-22630miles

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
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
30-Special Function II -- 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
62-Door, Rear Left -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
A9-Struct. Borne Sound -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (J623-CGWC)       Labels:. 06E-907-551-CGW.clb
   Part No SW: 8K5 907 551 D    HW: 4H0 907 551 
   Component: 3.0l V6 TFSIX07 0004  
   Revision: --X07---    
   Coding: 12250034052701020800
   Shop #: WSC 06208 000 00000
   ASAM Dataset: EV_ECM30TFS0218K5907551D 001004
   ROD: EV_ECM30TFS0218K5907551D.rod
   VCID: 377CA0AB8E2C1EFE7B-8062

2 Faults Found:
6354 - Cylinder 5 
          P0305 00 [101] - Misfire Detected
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 36418 km
                    Date: 2017.11.14
                    Time: 14:53:26

                    Engine speed: 4950.00 /min
                    Normed load value: 91.0 %
                    Vehicle speed: 109 km/h
                    Coolant temperature: 95 °C
                    Intake air temperature: 20 °C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.218 V
                    Unlearning counter according OBD: 40
                    Engine speed: actual: 4928 /min
                    MAF_ENVD: 1024.04703 mg/stroke
                    Coolant temperature (unfiltered): 95.25 °C
                    Engine: operating status: PL
                    T_AST_ENVD: 642.50 s
                    Vehicle speed: actual: 109 km/h

7948 - Cylinder Disabling 
          P130A 00 [101] - -
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 36418 km
                    Date: 2017.11.14
                    Time: 14:53:26

                    Engine speed: 5008.00 /min
                    Normed load value: 74.5 %
                    Vehicle speed: 111 km/h
                    Coolant temperature: 95 °C
                    Intake air temperature: 20 °C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 14.319 V
                    Unlearning counter according OBD: 40
                    Engine speed: actual: 5088 /min
                    MAF_ENVD: 1029.49409 mg/stroke
                    Coolant temperature (unfiltered): 95.25 °C
                    Engine: operating status: PL
                    T_AST_ENVD: 642.50 s
                    Vehicle speed: actual: 111 km/h

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0B5-927-156.clb
   Part No SW: 8K5 927 156 B    HW: 0B5 927 156 K
   Component: 0B5 30TFSIRdW H03 0003  
   Revision: --H03---    
   Coding: 000001
   Shop #: WSC 04742 780 00200
   ASAM Dataset: EV_TCMDL501021 001015
   ROD: EV_TCMDL501021.rod
   VCID: 387EA3978332118672-806C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V2.clb
   Part No SW: 8K0 907 379 CP    HW: 8K0 907 379 CP
   Component: ESP8 quattro  H09 0020  
   Revision: --------    Serial number: --------------
   Coding: 291DCC01
   Shop #: WSC 06335 000 00000
   VCID: 09181653A058D80EDD-805C

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 8K0 907 064 JG    HW: 8K0 907 064 JG
   Component: BCM2 2.0      H14 0650  
   Revision: 00002001    
   Coding: 01B24040000000000000
   Shop #: WSC 06335 000 00000
   VCID: 7EF2758FE996EFB6F8-802A

   Subsystem 1 - Part No SW: 8K0 959 754 BH    HW: 8K0 959 754 BH
   Component: FBSAUDIB8 IDG  H71 0083 
   Serial number: 0514000046830011    

   Subsystem 2 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
   Component: J764 ELV MLB  H40 0046 
   Serial number: 0214000068278002    

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: Redir Fail!
   Part No SW: 8K2 820 043 AQ    HW: 8K2 820 043 AQ
   Component: KLIMA 3 ZONEN H04 0122  
   Revision: D1000000    Serial number: 01100420140302
   Coding: 6624028000
   Shop #: WSC 06335 000 00000
   VCID: 78FE6397CBB2D186B2-802C

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: 00000789946701
   Coding: 260000108034AFC00081404300001D0D0F1D470A27090201000008004400030100000024000000
   Shop #: WSC 06335 000 00000
   VCID: 78FE6397CBB2D186B2-802C

   Subsystem 1 - Part No SW: 8K2 955 119 A    HW: 8T2 955 119   Labels: 1KX-955-119.CLB
   Component: WWS 010414  H06 0080 
   Serial number: SWF14044015610      
   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: 22487512            
   Coding: 02005D

   Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
   Component: E1 - LDS  H03 0031 
   Serial number: 00000000000104144832

   Subsystem 4 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H03 0003 
   Serial number: FA780227000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 8K0-959-655.clb
   Part No SW: 8K0 959 655 N    HW: 8K0 959 655 N
   Component: AirbagVW-AU10 H48 0610  
   Serial number: 003KFDC0WUTP  
   Coding: 30534435363030303030554A3052384B3053
   Shop #: WSC 60782 001 1048576
   ASAM Dataset: EV_AirbaECUVWAUDI010 003010
   ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
   VCID: 489ED357F3D2610602-801C

   Crash sensor for side airbag: driver side: 
   Serial number: 6334MSME443A333AD

   Crash sensor for side airbag: front passenger side: 
   Serial number: 6344MSME443C6E75T

   Crash sensor for side airbag: rear: driver side: 
   Serial number: 6352QSME1E400648E

   Crash sensor for side airbag: rear: passenger side: 
   Serial number: 6362QSME1A401B6EP

   Crash sensor for front airbag: driver side: 
   Serial number: 63732SME40404A66X

   Crash sensor for front airbag: front passenger side: 
   Serial number: 63832SME4F400F689

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
   Part No SW: 8K0 953 568 Q    HW: 8K0 953 568 Q
   Component: Lenks.Modul   H03 0003  
   Revision: C0062331    Serial number: 90862NDE001IC 
   Coding: 000037
   Shop #: WSC 06335 000 00000
   VCID: 489ED357FBD2610602-801C

   Component: E221 - MFL  H03 0004 

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
   Part No SW: 8K0 920 982 T    HW: 8K0 920 982 T
   Component: KOMBIINSTR.   H35 0564  
   Revision: 00100000    Serial number: ZAE62M34F     
   Coding: 33A7110003012600010000
   Shop #: WSC 06335 000 00000
   VCID: 4580DA63CCC07C6EF9-8010

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
   Part No SW: 8R0 907 468 N    HW: 8R0 907 468 C
   Component: GW-BEM 4CAN-M H11 0060  
   Revision: 1Y080030    Serial number: 3041Y143310158
   Coding: 80CF07FF00
   Shop #: WSC 06335 000 00000
   VCID: 4A9AE95FE5DE931614-801E

   Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
   Component: J367-BDMHella  H03 8041 
   Serial number: 9802233103          

   Subsystem 2 - Part No SW: 8K0 959 663 B    HW: 8K0 959 663 B
   Component: J532_DCDCStab  H05 0006 
   Serial number: 14099003849011200410

No fault code found.

-------------------------------------------------------------------------------
Address 30: Special Function II (J843)       Labels: 8K0-907-440.clb
   Part No SW: 8K0 907 440 B    HW: 8K0 907 440 
   Component: STS           H04 0020  
   Revision: S0H04000    Serial number: 00000000084090
   Coding: 01010101000000000001000102
   Shop #: WSC 06335 000 00000
   VCID: 2D5082C37470A42E11-8078

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels:. 8T0-959-760.clb
   Part No SW: 8K0 959 760 D    HW: 8K0 959 760 D
   Component: MEM-FS        H06 0077  
   Revision: AA000000    Serial number: 00000097259421
   Coding: 01781300000000000000
   Shop #: WSC 06335 000 00000
   VCID: 3B74BC9BBA043A9E9F-806E

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
   Part No SW: 8K0 959 793 R    HW: 8K0 959 793 P
   Component: TSG FA        H02 0510  
   Revision:             Serial number: 0000098884238 
   Coding: 011C02205E21410001
   Shop #: WSC 06335 000 00000
   VCID: 4FACF84B1EBCB63E43-801A

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
   Part No SW: 8K0 909 144 G    HW: 8K0 909 144 B
   Component: RCEPS         H40 0508  
   Revision: 00001000    Serial number: 0003457337
   Coding: 100000000001
   Shop #: WSC 06334 000 00000
   ASAM Dataset: EV_RCEPSAU48X 008015
   ROD: EV_RCEPSAU48X_008.rod
   VCID: 3560AAA39420ECEE69-8060

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
   Part No SW: 8K0 907 064 JG    HW: 8K0 907 064 JG
   Component: BCM2 2.0      H14 0650  
   Revision: 00002001    Serial number: 0332027708    
   Coding: 013B0622A0B938948330023680000047
   Shop #: WSC 06335 000 00000
   VCID: 7EF2758FE996EFB6F8-802A

   Subsystem 1 - Part No: 8K0 951 177 
   Component: DWA-Sensor  H02 0040 

   Subsystem 2 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 

   Subsystem 3 - Part No SW: 8K0 959 591 C    HW: 8K0 959 591 
   Component: J245 PS151  H08 0043 

   Subsystem 4 - Part No SW: 8K0 959 591 C    HW: 8K0 959 591 
   Component: J394 PS240  H08 0043 

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: 94813028507104
   VCID: 2D5082C37470A42E11-8078

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
   Part No SW: 8K0 959 792 R    HW: 8K0 959 792 P
   Component: TSG BF        H02 0510  
   Revision:             Serial number: 0000098720192 
   Coding: 011C02205E21410001
   Shop #: WSC 06335 000 00000
   VCID: 4E92E54F19B6BF3648-801A

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
   Part No SW: 8K0 907 801 N    HW: 8K0 907 801 J
   Component: EPB-4         H01 0005  
   Revision: --------    Serial number: 20000000431915
   ASAM Dataset: EV_ParkiBrake 001028
   ROD: EV_ParkiBrake_VW51.rod
   VCID: 3A7AB99FBD3E039684-806E

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels: Redir Fail!
   Part No SW: 4G0 035 061 N    HW: 4G0 035 061 
   Component: Radio U DAB   H60 0139  
   Revision: AB001007    Serial number: 109D20E7915856
   Coding: 010103010000000001
   Shop #: WSC 06335 000 00000
   VCID: 285E73D75B928106E2-807C

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 8R2 035 666 E    HW: 8R2 035 666 C
   Component: H-BN-EU       H47 0793  
   Revision: --------    Serial number: 206DZ0E7560780
   Coding: 110101010206A1ED41808B5E00000403E40100020000000000
   Shop #: WSC 06335 000 00000
   VCID: 3B74BC9BBA043A9E9F-806E

   Subsystem 1 - Part No: 8R0 060 884 BK
   Component: EUR 2014  1703 

   Subsystem 2 - Part No SW: 8R0 919 604 A    HW: 8R0 919 604 A
   Component: DU7 High  H42 0104 
   Serial number: A130DI0E3000809     

   Subsystem 3 - Part No SW: 8T0 919 611 K    HW: 8T0 919 611 B
   Component: E0380 Bedient  H02 0030 
   Serial number: 00000001824649      

   Subsystem 4 - Part No: 8R0 060 961 F
   Component: CD-Database  5571 

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
   Part No SW: 8K0 959 795 G    HW: 8K0 959 795 D
   Component: TSG HL        H01 0510  
   Revision:             Serial number: 0000098922402 
   Coding: 010C02204021210001
   Shop #: WSC 06335 000 00000
   VCID: 4682DD6FF1C67776F0-8012

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (J605)       Labels: Redir Fail!
   Part No SW: 8K9 827 851 C    HW: 8K9 827 851 C
   Component: J605  Master  H53 0330  
   Revision: --------    Serial number: 8K9827851C    
   VCID: 3E72B58FA9162FB6B8-806A

   Subsystem 1 - Part No SW: 8K9 827 852 C    HW: 8K9 827 852 C
   Component: J756  Slave  H53 0330 
   Serial number: 8K9827852C          

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-795.clb
   Part No SW: 8K0 959 795 G    HW: 8K0 959 795 D
   Component: TSG HR        H01 0510  
   Revision:             Serial number: 0000098919842 
   Coding: 010C02204021210001
   Shop #: WSC 06335 000 00000
   VCID: 4682DD6FF1C67776F0-8012

No fault code found.

-------------------------------------------------------------------------------
Address A9: Struct. Borne Sound (J869)       Labels: 4H0-907-159.clb
   Part No SW: 8K0 907 159     HW: 4H0 907 159 A
   Component: SAS-GEN 2     H06 0005  
   Serial number: 140301200807
   ASAM Dataset: EV_SoundActuaGen2AU64X 002005
   ROD: EV_SoundActuaGen2AU64X_002.rod
   VCID: 72EA51BFA5CEBBD68C-8026

No fault code found.

End-------------------------(Elapsed Time: 04:09)--------------------------

Not had any previous problem, so I reset all DTCs and it is all OK again. went for a test drive and everything seems fine.

So, anyone got any ideas - spark plug, coil pack? also when looking at the engine from the front, which is cylinder 5?

Thanks in advance for any help.
 
Last edited:
   #2  

Jack@European_Parts

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   #3  

Dukedesmo

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Thanks for the reply, can you elaborate what the firmware update is?
 
   #5  

Dukedesmo

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OK, might be a bit above what I'm trying to do here. It has been OK for 3 years so not sure a firmware update is going to make any difference.

I'm thinking along the lines of a possible coil or sparkplug fault although it seems OK now it must have detected something? Just a bit worrying that it shut down the cylinder - don't know if it would have restarted with a simple off/on ignition as I reset the DTCs first - I'm not sure I'd want to drive it any distance with a cylinder shut down?
 
   #6  

Jack@European_Parts

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Last edited by a moderator:
   #7  

Dukedesmo

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Following up on this; I had the same fault again about a week later under exactly the same conditions, only this time it also reported "16903 - Vapor Bubble Formation in Low-Pressure Fuel Circuit" along with the cylinder 5 misfire and consequent cylinder shutdown? Don't know this is related to the misfire? (consequence, cause etc.) but again it was OK after a restart.

Not wanting to get too deep into investigations in a cold garage, I had already bought a new coil so fitted this to cylinder 5 that day and it has been fine since.

On the advice of another member I also logged misfires on all cylinders from engine start to engine stop on a run with plenty of hard acceleration and whilst there were a few randomly distributed recorded misfires, there was nothing serious enough to shut anything down (how many are too many?). Now in hindsight I should have done this before swapping the coil, or even swapped the coil to another cylinder? But I didn't and (for now at least) it's running fine so I'm not planning to swap it back.

I also pulled out the spark plug whilst there and it looked fine, maybe I should change them but as it's running OK I'll wait, at least, until the next service although the schedule doesn't call for plug replacement for a good few miles anyway? and I'll enquire about the Firmware update the next time I'm at the dealer.

Hopefully any carbon buildup issues are a good few thousand miles away yet...
 
   #8  

Eric

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Mostly out of curiosity:
Code:
   Component: 3.0l V6 TFSIX07 0004  
   Revision: --X07---
Is the engine chipped?
 
   #9  

Dukedesmo

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Yes, stage 1 Revo map, switchable between stock and performance modes.
 
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