Please help !! 2010 1.4 tsi Ibiza Cupra Stutter !

   #1  
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Smurfyboy

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Hi guys new to the forum,

Had a little 1.4 tsi Ibiza Cupra 2010 DSG model,

Gradually developed a stutter/hesitation under light or part throttle/acceleration.

On full throttle it pulls well,

As these engines are renowned for misfires i replaced all 4 plugs and coils

This has not solved it,

Its like its kangarooing down the road sometimes,

Any advise on what to try log ?

I have VCDS, just unsure the best way to diagnose this,

I've read it could be N75 valve orN249 valve but dont know how to check,

I have uploaded a clip to Youtube of the fault happening,


 
   #2  
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Smurfyboy

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The first auto scan i did came up with this,

Code: 
Tuesday,23,May,2017,16:59:46:39766
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 17.1.3.0 (x64)  HEX-V2 CB: 0.4336.4
Data version: 20170320 DS267.7
www.Ross-Tech.com


VIN: VSSZZZ6JZAR152041   License Plate: HY60 WGW
Mileage: 106630km-66256mi   Repair Order: 



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


Chassis Type: 6J (6N0)
Scan: 01 02 03 04 08 09 15 17 19 25 44 4B 56

VIN: VSSZZZ6JZAR152041   Mileage: 106630km-66256miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
4B-Multifunc. Module -- Status: OK 0000
56-Radio -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CAVE)       Labels: 03C-907-309-V1.clb
   Part No SW: 03C 906 027 AE    HW: 03C 906 027 AD
   Component: 1.4l R4/4V TS H10 9971  
   Revision: L2H10---    Serial number:               
   Coding: 00250012002400000000
   Shop #: WSC 01223 210 88101
   ASAM Dataset: EV_ECM14TSI01103C906027AE 001007
   ROD: EV_ECM14TSI01103C906027AE.rod
   VCID: 6492A5CDBED20A47A91-8030

4 Faults Found:
4543 - Supply Voltage for Fuel Injector Group A 
          P2146 00 [096] - Open Circuit
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Mileage: 106144 km
                    Date: 2017.05.07
                    Time: 08:06:39

                    Engine speed: 1452.00 /min
                    Normed load value: 52.2 %
                    Vehicle speed: 14 km/h
                    Coolant temperature: 18 °C
                    Intake air temperature: 11 °C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 14.465 V
                    Unlearning counter according OBD: 7
                    Mass flow through throttle valve: 320.7 kg/h
                    Median injection timing: 6.903 ms
                    Engine operating condition: full load
                    Engine operating condition-Test_Program_Channel 87: 7

4063 - Cylinder 4 
          P0304 00 [096] - Misfire Detected
          Intermittent - Not Confirmed - Tested Since Memory Clear

4057 - Cylinder 2 
          P0302 00 [096] - Misfire Detected
          Intermittent - Not Confirmed - Tested Since Memory Clear

4051 - Random/Multiple Cylinder Misfire Detected 
          P0300 00 [096] - -
          Intermittent - Not Confirmed - Tested Since Memory Clear

Readiness: 0000 0000
 
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   #3  
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Smurfyboy

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I then cleared those codes and drove car around for a few days ,

It was still stuttering and driving like a kangaroo and the fault was happening all the time

I performed another auto scan and only one code was there this time,

The date and time matched when it threw on the epc light for 1 sec and lost power but it sorted itself right away,

The latest scan says this

Code: 
Friday,16,June,2017,18:07:34:39766
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 17.1.3.0 (x64)  HEX-V2 CB: 0.4336.4
Data version: 20170320 DS267.7
www.Ross-Tech.com


VIN: VSSZZZ6JZAR152041   License Plate: SMURF
Mileage: 107540km-66822mi   Repair Order: 



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


Chassis Type: 6J (6N0)
Scan: 01 02 03 04 08 09 15 17 19 25 44 4B 56

VIN: VSSZZZ6JZAR152041   Mileage: 107540km-66822miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
4B-Multifunc. Module -- Status: OK 0000
56-Radio -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CAVE)       Labels: 03C-907-309-V1.clb
   Part No SW: 03C 906 027 AE    HW: 03C 906 027 AD
   Component: 1.4l R4/4V TS H10 9971  
   Revision: L2H10---    Serial number:               
   Coding: 00250012002400000000
   Shop #: WSC 01223 210 88101
   ASAM Dataset: EV_ECM14TSI01103C906027AE 001007
   ROD: EV_ECM14TSI01103C906027AE.rod
   VCID: 6492A5CDBED20A47A91-8030

1 Fault Found:
4544 - Supply Voltage for Fuel Injector Group B 
          P2149 00 [096] - Open Circuit
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 107474 km
                    Date: 2017.06.15
                    Time: 07:54:41

                    Engine speed: 2241.50 /min
                    Normed load value: 74.9 %
                    Vehicle speed: 15 km/h
                    Coolant temperature: 63 °C
                    Intake air temperature: 18 °C
                    Ambient air pressure: 990 mbar
                    Voltage terminal 30: 13.994 V
                    Unlearning counter according OBD: 33
                    Mass flow through throttle valve: 174.2 kg/h
                    Median injection timing: 5.314 ms
                    Engine operating condition: Part. load
                    Engine operating condition-Test_Program_Channel 87: 6

Readiness: 0000 0000
 
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   #4  
Ashraf6119

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Could you please post the full Auto Scan..........Also any recent work done or any service done...? Have you checked the Cylinder Compression Test
 
   #5  
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Smurfyboy

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Ashraf6119 said:
Could you please post the full Auto Scan..........Also any recent work done or any service done...? Have you checked the Cylinder Compression Test
Click to expand...

Surely it wouldn't be intermittent if it was losing compression,

It also wouldn't pull anything like it does,

I have attached the part of the scan that shows the fault ?

What else are you hoping to see on the rest of the scan as it showed no other codes ?

No work done or recent service,

As i says above only things changed since fault occurred has been 4 new plugs and coil packs

Started off happening once every so often now i have to basically drive around it by either acceleration pretty harshly or barely touching accelerator as anything in between its like riding a kangaroo.

Any idea how to check for a faulty N75 valve or N249 ???
 
   #6  
Uwe

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What have you done to track down the "Supply Voltage for Fuel Injector Group B - Open Circuit" fault?

-Uwe-
 
   #7  
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Smurfyboy

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Uwe said:
What have you done to track down the "Supply Voltage for Fuel Injector Group B - Open Circuit" fault?

-Uwe-
Click to expand...

Nothing at all,

I wasn't sure where to begin as it previously had the same code for Group A but cleared and never returned,

Same with that one,

What would you recommend,

The car performs fine under full throttle its only light acceleration or cruising lightly
 
   #8  
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Smurfyboy

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Anyone know how to check the N75 & N249 valves ?

Or is it a case of replace and hope :(
 
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