Resolved Sputtering, 10 minutes non-stop. Then disappeared.

Resolved
   #1  

carowner

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This happened after a few minutes on the highway, sudden onset, really bad and consistent sputtering. Pulled off into parking lot, drove back, lasted about 10 minutes, even a blinking engine light for about 3 or 4 seconds (which disappeared afterward not to return). Then it...cleared up. I turned around again and went off to my destination, without those symptoms.

This seems like the first really bad instance of something that would come and go for a second or two, that I had later attributed to maybe bad gas. Then the so called 'bad gas' hitches, hesitation, lurching, happened after being put through one of the new-gen car washes. Something getting wet under the hood?

But then this happened a week later, this morning. Nothing ever like it--clean AutoScan last time--but this time an engine fault code, a misfire recorded for the very first time.

What is the most likely cause if I don't want to replace everything and just want to start at the most likely possibility? Coils? MAF sensor? O2 sensor? This is a really acute thing when it happens just for a second or two, however it happens only every few days or every week or so, and then it runs comparatively fine. But then, this, this morning. But after ten continuous minutes of this this morning, the car worked normally.

It did throw a brake light with wavy lines, all the way to my destination--but disappeared after restarting the car in the afternoon.

Best guess to begin with? Do I buy coils first?

AutoScan follows. thanks for any help, advice.

Code:
Wednesday,13,November,2024,18:04:24:64836
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 24.7.1.0 (x64)  HEX-V2 CB: 0.4643.4
Data version: 20240919 DS356.3
www.Ross-Tech.com




VIN: 1VWAS7A34FC015864   License Plate:
Mileage: 183040km-113735mi   Repair Order:






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




Chassis Type: A3-VW41 (7N0)
Scan: 01 02 03 08 09 15 16 17 19 25 2E 42 44 46 4F 52 56 62 72 75
          77


VIN: 1VWAS7A34FC015864   Mileage: 183040km-113735miles


01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- 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
25-Immobilizer -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
75-Telematics -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CPKA)       Labels:. 06K-907-425-V2.clb
   Part No SW: 06K 997 071 F    HW: 06K 907 425 C
   Component: R4 1.8l TFS   H13 9371 
   Revision: --H13---    CVN: AFB47EEF
   Coding: 001A0012242400160000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_ECM18TFS02006K997071F 001005
   ROD: EV_ECM18TFS02006K906071J.rod
   VCID: 38292D5A02DC5F8AA7B-806C
   VINID: 0669D18C74431164C0045206100712C5F1


3 Faults Found:
17178 - Databus
          U1123 00 [00100000] - Received Error Message
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 6
                    Fault Frequency: 1
                    Mileage: 182961 km
                    Date: 2024.11.13.
                    Time: 08:37:18


                    Engine RPM: 1232.50 /min
                    Normed load value: 40.4 %
                    Vehicle speed: 75 km/h
                    Coolant temperature: 82 °C
                    Intake air temperature: 23 °C
                    Ambient air pressure: 980 mbar
                    Voltage terminal 30: 14.355 V
                    Unlearning counter according OBD: 38
                    Drivetrain coordinator: ACC fault status-ACC is active despite EPB deceleration: No
                    Drivetrain coordinator: ACC fault status-ACC active: although TSK passive: No
                    Drivetrain coordinator: ACC fault status-Start off or stop request at stopping speed not set: No
                    Drivetrain coordinator: ACC fault status-Start off and stop request sent simultaneously: No
                    Drivetrain coordinator: ACC fault status-ACC active: although limiter active: No
                    Drivetrain coordinator: ACC fault status-ACC reactivates itself after locking: No
                    Drivetrain coordinator: ACC fault status-ACC sends undefined signals: No
                    Drivetrain coordinator: ACC fault status-ACC active although main switch off: No
                    Drivetrain coordinator: ACC fault status-ACC is active despite driver braking: No
                    Drivetrain coordinator: ACC fault status-ACC is active despite ESP/ASR passive sampling: No
                    Drivetrain coordinator: brake fault status-Deceleration sensor not available: No
                    Drivetrain coordinator: brake fault status-Deceleration sensor malfunction: No
                    Drivetrain coordinator: brake fault status-ESP system error: No
                    Drivetrain coordinator: brake fault status-ESP system malfunction due to inaccurate engine torque: No
                    Drivetrain coordinator: brake fault status-ESP indicates TSK message consistency error: No
                    Drivetrain coordinator: brake fault status-TSK/ESP handshake error: No
                    Drivetrain coordinator: brake fault status-ESP automatic engagement malfunction: No
                    Drivetrain coordinator: brake fault status-Brake light implausible: No


15125 - Cylinder 1
          P0301 00 [01100000] - Misfire Detected
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 3
                    Mileage: 182961 km
                    Date: 2024.11.13.
                    Time: 08:37:18


                    Engine RPM: 1349.50 /min
                    Normed load value: 40.8 %
                    Vehicle speed: 74 km/h
                    Coolant temperature: 82 °C
                    Intake air temperature: 23 °C
                    Ambient air pressure: 980 mbar
                    Voltage terminal 30: 14.394 V
                    Unlearning counter according OBD: 39
                    FAC_LAM_LIM[1]: 7.454 %
                    Time since engine start: 660.7 s
                    Engine: operating status: PL


26384 - Databus
          U1123 00 [01100000] - Received Error Message
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 182961 km
                    Date: 2024.11.13.
                    Time: 08:37:19


                    Engine RPM: 1380.50 /min
                    Normed load value: 41.6 %
                    Vehicle speed: 74 km/h
                    Coolant temperature: 82 °C
                    Intake air temperature: 23 °C
                    Ambient air pressure: 980 mbar
                    Voltage terminal 30: 14.414 V
                    Unlearning counter according OBD: 39
                    Engine: operating status: PL
                    STATE_LS_SAE[1]: OL_ERR
                    T_AST_SAE: 660 s
                    MAP_MES_SAE: 86 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 2.095 V
                    FAC_TPS_1_SAE: 19.921875 %
                    FUP_H_SAE: 14930.0 kPa


Readiness: 0000 0000


-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:* 09G-927-749-V1.clb
   Part No SW: 09G 927 749 B    HW: 09G 927 749 B
   Component: AISIN AG6 G3  109 2855 
   CVN: E39A1153
   Coding: 000348
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_TCMAQ250031 001004
   ROD: EV_TCMAQ250031_001_VW25.rod
   VCID: 38292D5A02DC5F8AA7B-806C


No fault code found.


-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 BM    HW: 1K0 907 379 BM
   Component: ESP MK60EC1   H46 0164 
   Revision: 00H46001   
   Coding: C54BC0F5492300FFA31303EA921D0041A1100012
   Shop #: WSC 09003 957 00200
   VCID: 7EA5FB4260F8A1BA2D7-802A


2 Faults Found:
01314 - Engine Control Module
            013 - Check DTC Memory - Intermittent
             Freeze Frame:
                    Fault Status: 00101101
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 197
                    Mileage: 182961 km
                    Time Indication: 0
                    Date: 2019.04.06.
                    Time: 08:37:19


             Freeze Frame:
                    Count: 0
                    Count: 32768
                    Count: 4608
                    Count: 8196
                    Count: 52555
                    Count: 0
                    Count: 765
                    Count: 0


02214 - Tire Pressure Warning
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 135
                    Mileage: 181860 km
                    Time Indication: 0
                    Date: 2019.02.19.
                    Time: 15:16:44


             Freeze Frame:
                    Count: 2
                    Count: 14
                    Count: 20480
                    Count: 16401
                    Count: 43264
                    Count: 256
                    Count: 1281
                    Count: 0




-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 3C8-907-336.clb
   Part No SW: 561 907 426 E    HW: 561 907 426 E
   Component: AC Manuell    H02 0303 
   Revision: 00001K02   
   Coding: 0010001002
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_ACManuaElectGen2BHTC 001002
   ROD: EV_ACManuaElectGen2BHTC_VW36.rod
   VCID: 1D67DCCE8D3E1AA254D-8048


No fault code found.


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
   Part No SW: 5K0 937 085 AB    HW: 5K0 937 085 AB
   Component: BCM PQ35 B+   122 0174 
   Revision: BH122001   
   Coding: EF200E18902908D4098000010600044800F1A08640801D20648060000C70
   Shop #: WSC 09003 957 00200
   VCID: 73B3DA765BBAFCD2529-8026


No fault code found.


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 5C0 959 655 AB    HW: 5C0 959 655 AB
   Component: AirbagVW10    500 0975 
   Serial number: 003LZD01BX5-   Dataset Number: 560003v__A_ 0130
   Coding: 00004D4E
   Shop #: WSC 49769 002 1048576
   ASAM Dataset: EV_AirbaVW10SMEVW360 001030
   ROD: EV_AirbaVW10SMEVW360.rod
   VCID: 72BDDF722420F5DA59F-8026


   Seat occupied recognition:
   Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
   Component: BF-Gewichtss.  H10 0046
   Serial number: 6940000Y14000178JX0/
   Coding: 303044


   Crash sensor for side airbag: driver side:
   Subsystem 2 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Fahr.V  H02 ----
   Serial number: 3572MSME48007A45ZZZV


   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 3 - Part No SW: 5K0 959 354     HW: 5K0 959 354
   Component: S.Sens.Beif.V  H02 ----
   Serial number: 3582MSME116B7D44ZZZ+


   Rear Side Airbag Crash Sensor (on driver's side):
   Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.H  H02 ----
   Serial number: 3516KSME620E652EZZZ


   Passenger side rear thorax airbag crash sensor:
   Subsystem 5 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.H  H02 ----
   Serial number: 3526KSME4C1A7A2EZZZ7


   Crash sensor for front airbag: driver side:
   Subsystem 6 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Fahr  H02 ----
   Serial number: 3556LSME700C022FZZZW


   Crash sensor for front airbag: front passenger side:
   Subsystem 7 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Beif  H02 ----
   Serial number: 3566LSME0100022FZZZF


No fault code found.


-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
   Part No SW: 5K0 953 569 AL    HW: 5K0 953 569 AL
   Component: LENKS.MODUL   016 0180 
   Revision: --X01---    Serial number: 20200727300100
   Coding: 488A140000
   Shop #: WSC 01286 386 08256
   ASAM Dataset: EV_SMLSNGVOLWS A01004
   ROD: EV_SMLSNGVOLWS.rod
   VCID: 025D8FB21480C55A49F-8056


   Multifunction steering wheel control module:
   Subsystem 1 - Part No SW: 561 959 537     HW: 561 959 537
   Component: E221__MFL-YVJ  H07 0022
   Serial number: 00000000000000924046
   Coding: 620000


No fault code found.


-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-XXX-17.clb-SRI1
   Part No SW: 561 920 960 D    HW: 561 920 960 D
   Component: KOMBI         H04 0809 
   Serial number: 00000000000000
   Coding: 230E01
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
   VCID: 1A6DD7D29C106D9AB1F-804E


No fault code found.


-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
   Part No SW: 7N0 907 530 AR    HW: 7N0 907 530 AM
   Component: J533  Gateway H55 1653 
   Revision:   H55       Serial number: 03071403000133
   Coding: 461000
   Shop #: WSC 09003 957 00200
   VCID: 005985BA1A0CD74A5FB-8054


No fault code found.


-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H04 0809 
   Serial number:               
   Coding: 000000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW23.rod
   VCID: 6A8DC7120CF03D1AE1F-803E


No fault code found.


-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached


-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 561 959 701     HW: 3C0 959 793 B
   Component: TUER-SG FT    002 0525 
   Revision: 13110009    Serial number: 0008670928
   Coding: 040495
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_TSGFPQ25BRFVW46X A04001
   ROD: EV_TSGFPQ25BRFVW46X.rod
   VCID: 5BE392D6D3AA54926A9-800E


   Slave Driver:
   Subsystem 1 - Part No SW: 561 959 811 B    HW: 561 959 811 B  Labels: 1K0-959-70X-GEN4.CLB
   Component: J388__TSG_HL  006 5470
   Serial number: 14102630140721173848
   Coding: 800000


No fault code found.


-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 R
   Component: EPS_ZFLS Kl. 211    3501 
   Revision: 00H22000   
   Shop #: WSC 01357 011 00200
   VCID: 392F285E35564682585-806C


No fault code found.


-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II (J520)       Labels:. 1K0-907-532.clb
   Part No SW: 7N0 907 532     HW: 7N0 907 530 AM
   Component: EZE_2         H55 1653 
   Revision:   H55       Serial number: 03071403000133
   Coding: 00000008
   Shop #: WSC 09003 957 00200
   VCID: 6FBBD6063792D832B61-803A


   Subsystem 1 - Part No SW: 561 919 204 B    HW: 561 919 204 B
   Component: Analoguhr  009 0005


No fault code found.


-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 561 959 702     HW: 3C0 959 792 B
   Component: TUER-SG BT    002 0525 
   Revision: 15110009    Serial number: 0008683982
   Coding: 040494
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_TSGBPQ25BRFVW46X A04001
   ROD: EV_TSGBPQ25BRFVW46X.rod
   VCID: 5CE191CAD6A453AA633-8008


   Slave Passenger:
   Subsystem 1 - Part No SW: 561 959 812 B    HW: 561 959 812 B  Labels: 1K0-959-70X-GEN4.CLB
   Component: J389__TSG_HR  006 5470
   Serial number: 14202631140729224322
   Coding: 800000


No fault code found.


-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 1K0 035 164 F    HW: 1K0 035 164 F
   Component: LOW NAR SDARS H04 0005 
   Revision: -----08S    Serial number: VWZ4Z6P3818274
   Coding: 0100040002000B
   Shop #: WSC 09003 957 00200
   VCID: 2517F42EA5EED2620CD-8070


1 Fault Found:
02635 - Tuner Not Enabled/Activated
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 135
                    Mileage: 181860 km
                    Time Indication: 0
                    Date: 2019.02.19.
                    Time: 15:16:43




-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:| 12E-035-284.clb
   Part No SW: 561 035 285     HW: 561 035 285
   Component: OCULowUSA     014 0102 
   Serial number: 000003554140524 Dataset Number: 561098V____ 0010
   Coding: 02140102C2161A107F1606000000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_OCULow 001010
   ROD: EV_OCULow_001.rod
   VCID: 53F37AF6BB7A9CD2B29-8006


1 Fault Found:
2103041 - Control Module
          B1788 F0 [00001001] - Start Prohibition Deactivated
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 8
                    Fault Frequency: 1
                    Reset counter: 159
                    Mileage: 183046 km
                    Date: 2024.11.13.
                    Time: 18:02:05




-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 5N0-035-729.clb
   Part No SW: 5N0 035 729 E    HW: 5N0 035 729 E
   Component: TELEFON       H07 0593 
   Revision: 1B001001    Serial number: 00007666458115 Dataset Number: 5N0035729E  0001
   Coding: 0A10030080010110
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_UHVUMI 001007
   ROD: EV_UHVUMI.rod
   VCID: 323D1F72E4A0B5DA99F-8066


No fault code found.


End----------(Elapsed Time: 01:06, VBatt start/end: 12.1V/12.1V)-----------
 
   #2  

Uwe

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What's the age and condition of the plugs?
Are the coils the original ones in this car?

-Uwe-
 
   #3  

carowner

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One prior owner. I'm guessing the plugs and coils are all original. Can get better information tomorrow.
 
   #4  

Dr Sheldon

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I am not sure about guessing which parts to replace right now !!


Address 01: Engine (J623-CPKA) Labels:. 06K-907-425-V2.clb

3 Faults Found:

17178 - Databus
U1123 00 [00100000] - Received Error Message

Mileage: 182961 km
Date: 2024.11.13.
Time: 08:37:18


Engine RPM: 1232.50 /min


15125 - Cylinder 1
P0301 00 [01100000] - Misfire Detected

Date: 2024.11.13.
Time: 08:37:18


26384 - Databus
U1123 00 [01100000] - Received Error Message
Intermittent - Not Confirmed - Tested Since Memory Clear

Date: 2024.11.13.
Time: 08:37:19

Note that the Databus errors are set within a second of each other

And a single cylinder misfire is unlikely to give this !!
really bad and consistent sputtering

You are in a chicken and egg, catch 22 here ?


I would now Move the Plug and Coil from Cylinder 1 to another Cylinder - see what happens !
 
   #5  

Uwe

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I'm guessing the plugs and coils are all original.
Original plugs at 113,000 miles? If so, I would certainly start there. And get the correct ones, and make sure they are not fakes.

-Uwe-
 
   #6  

SaVAGeSoot

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Dafuq is a brake light with wavy lines?

Take a pic! Look it up in a manual. Throw us a bone!
If it's randomly happening, it's probably a wiring issue, especially since you've mentioned carwash. Is it always cold\damp\wet when it happens?
 
   #7  

carowner

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It was the ESC light. Gone after it was restarted hours later.

Looks like I'll concentrate on new spark plugs and coils. Coincident to the amount of oil it consumes everything is probably going to be completely carbonized.

I don't know if those components only fail sometimes, but this tentative stuff only appears to happen in acceleration from stop/low speed. As if it's a function of load. Almost entirely never when it's at highway cruise velocity.
 
   #8  

carowner

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I put new coils and plugs in and problem solved.
 
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