Soot mass jumping causing frequent regens.

   #1  

Humbucker

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Hello all,
I have a 2015 2.0 Passat GT Estate with just over 92,000 miles. The car runs great but lately its regening every 40 miles.
The soot mass drops after regen and it jumped from 6.51g to 23.28g in 1 mile causing it to regen again.
I have just bought a Hex-V2 from Gendan UK and have registered it just now and have completed a scan.
I know about the Air con as it has a very small leak thats getting repaired shortly, the TPMs:- had a slow puncture fixed today.

From the scan what parts are required to sort out the frequent regens.
Also whats the fault:-8531970 - Quiescent Current U1406 00 [008] - Too High

Many Thanks.

The scan is with the engine running.

Code:
Saturday,27,June,2020,15:51:01:50295
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN: WVWZZZ3CZFE468976   License Plate: 


Chassis Type: 3C-VW48 (5Q0)
Scan: 01 03 05 08 09 10 13 15 16 17 19 2B 42 44 52 55 5F BB BC

VIN: WVWZZZ3CZFE468976   Mileage: 149322km-92784miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
10-Park/Steer Assist -- Status: OK 0000
13-Auto Dist. Reg -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
2B-Steer. Col. Lock -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
BB-Door Rear Drv -- Status: OK 0000
BC-Door Rear Pass -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CRLB)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 906 026 AS    HW: 04L 907 309 R
   Component: R4 2,0L EDC   H21 1147  
   Revision: B5H21---    
   Coding: 01190012034505083000
   Shop #: WSC 05311 115 00315
   ASAM Dataset: EV_ECM20TDI01104L906026AS 001006
   ROD: EV_ECM20TDI01104L906026AS_VW48.rod
   VCID: 7BA3F2C7F36927A3069-802E

5 Faults Found:
17158 - Implausible Data Received from ESP Control Module 
          U0416 00 [032] - -
          Intermittent - Not Confirmed - Tested Since Memory Clear

5158 - Diesel Particulate Filter; Differential Pressure Sensor 
          P2456 00 [096] - Intermittent
          Intermittent - Not Confirmed - Tested Since Memory Clear

19226 - Particulate Trap Bank 1 
          P2002 00 [096] - Efficiency Below Threshold
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Mileage: 148570 km
                    Date: 2020.05.16
                    Time: 10:27:03

                    Engine speed: 1791.50 /min
                    Normed load value: 36.1 %
                    Vehicle speed: 88 km/h
                    Coolant temperature: 91 °C
                    Intake air temperature: 93 °C
                    Ambient air pressure: 980 mbar
                    Voltage terminal 30: 14.340 V
                    Unlearning counter according OBD: 22
                    Exhaust mass flow of low-pressure EGR: calculated: 3.021
                    Differential pressure ratio: low-pressure EGR: 50.1 kg/h
                    Exh.recircul. 2: differential pres.sensor 1 bank 1: adap. value: -7.1 hPa
                    Exhaust recirculat.2: different.press.sens.1 bank 1: raw value: -4.2 hPa
                    Exh.recircul.valve 1 bank 1: pos.feedback - Act.value: 50.18 %
                    Exhaust recirc.valve 2 bank 1: posit.feedback - Act.value: 53.32 %

9764 - Exhaust Pressure Sensor 1 
          P0470 00 [032] - Malfunction
          Intermittent - Not Confirmed - Tested Since Memory Clear

5253 - Diesel Particle Filter; Differential Pressure Sensor 
          P2452 00 [032] - Elect. Malfunction
          Intermittent - Not Confirmed - Tested Since Memory Clear

Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
   Part No SW: 3Q0 907 379 AF    HW: 3Q0 907 379 F
   Component: ESC           H42 0625  
   Revision: 00000000    Serial number: 60425000000003
   Coding: 0FEC928F34260B740780060741C949F0492CD0E0608292F11460F078C002
   Shop #: WSC 131071 1023 2097151
   ASAM Dataset: EV_Brake1UDSContiMK100IPB 034036
   ROD: EV_Brake1UDSContiMK100IPB_034.rod
   VCID: 7EA5FBD3E07B328B217-802A

2 Faults Found:
16388 - TPMS Display 
          C1146 F0 [008] - Not Available
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 242
                    Mileage: 146766 km
                    Date: 2020.01.16
                    Time: 16:53:31

16401 - Tire Pressure Warning 
          C102D 00 [008] - -
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 3
                    Mileage: 147889 km
                    Date: 2020.03.21
                    Time: 10:00:26


-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5Q0-959-435.clb
   Part No SW: 3Q0 959 435     HW: 3Q0 959 435 
   Component: VWKESSYMQB    023 0524  
   Revision: 00023000    Serial number: 0360369354
   Coding: 000F0F0603
   Shop #: WSC 05311 115 00315
   ASAM Dataset: EV_KessyHellaMQBAB 004027
   ROD: EV_KessyHellaMQBAB.rod
   VCID: 77ABEEF7CF4103C3621-8022

   Sensor Controlled Power Rear Lid: 

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 5G0-907-044.clb
   Part No SW: 5G0 907 044 AH    HW: 5G0 907 044 AH
   Component: Climatronic   H03 1001  
   Revision: 00001K10    
   Coding: 12120104202100012015500000101802
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_ACClimaBHBVW37X 004131
   ROD: EV_ACClimaBHBVW37X_004_VW37.rod
   VCID: 6D87CC9FBD1DB91388D-8038

   Fresh Air Blower Front: 

   Geber für Kältemitteldruck/Kältemitteltemperatur: 

   Air quality sensor: 

   Relative humidity sensor in fresh air intake duct: 

1 Fault Found:
262914 - Refrigerant Pressure 
          B10AB F0 [008] - Too Low
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 251
                    Mileage: 148276 km
                    Date: 2020.04.22
                    Time: 14:23:43

                    Outside air temperature: 21.5 °C
                    Engine speed: 900 /min
                    Compressor current: actual value: 0.000 A
                    Temperature after evaporator: 26.0 °C
                    System run time-Engine running time: 3 s
                    System run time-Terminal 15 on: 6 s


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:| 5Q0-937-08X-HV1.clb
   Part No SW: 5Q0 937 086 BD    HW: 5Q0 937 086 BD
   Component: BCM PQ37BOSCH 028 0146  
   Revision: --------    Serial number: 86580502150601
   Coding: 03010A46C24102FF0B844084B11407281880000000000000000000000000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_BodyContrModul1UDSBosc 014004
   ROD: EV_BCMBOSCH_014.rod
   VCID: 7DA7FCDFED7D299338D-8028

   Control Unit For Wiper Motor: 
   Subsystem 1 - Part No SW: 3G2 955 119 A    HW: 3G1 955 119   Labels: 5QX-955-119-V1.CLB
   Component: WWS    150126  043 0607 
   Serial number:         150130021803
   Coding: 0E4DDD

   Rain Light Recognition Sensor: 
   Subsystem 2 - Part No SW: 5Q0 955 547 A    HW: 5Q0 955 547 A  Labels: 5Q0-955-547.CLB
   Component: RLHS  037 0059 
   Serial number: S5Y15M02D18H03M01S54
   Coding: 00A8DD

   Light switch: 
   Subsystem 3 - Part No SW: 3G0 941 633 H    HW: 3G0 941 633 H
   Component: E1 - LDS MQB  H01 0032 
   Serial number: 02 12 2014  00000555

   Sensor For Anti Theft Alarm System: 
   Subsystem 4 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172 
   Component: Sensor, DWA  005 0315 
   Serial number: 000000000ZY150200LZJ

   Alarm horn: 
   Subsystem 5 - Part No SW: 5Q0 951 605     HW: 5Q0 951 605 
   Component: Sirene, DWA  004 0311 
   Serial number: 00000000000061573929

   Relative Air Humidity Interior Sender: 

1 Fault Found:
204546 - Remote key 2 
          B147A 18 [008] - Current Too Low
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 4
                    Fault Frequency: 4
                    Reset counter: 25
                    Mileage: 147211 km
                    Date: 2020.02.10
                    Time: 09:27:01


-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
   Part No SW: 5Q0 919 294 H    HW: 5Q0 919 294 A
   Component: PARKHILFE 8K  H03 0053  
   Revision: --------    Serial number: 39391504009743
   Coding: 0071051001
   Shop #: WSC 05311 115 00095
   ASAM Dataset: EV_EPHVA18AU3700000 002026
   ROD: EV_EPHVA18AU3700000_002_VW37.rod
   VCID: 40D9452BDA0F847B13B-8014

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 3Q0-907-572.clb
   Part No SW: 3Q0 907 572 A    HW: 3Q0 907 572 A
   Component: ACC BOSCH MQB H04 0126  
   Coding: 2A40608110FFC428949C804C
   Shop #: WSC 05311 115 00095
   ASAM Dataset: EV_ACCBOSCHVW48X 001007
   ROD: EV_ACCBOSCHVW48X.rod
   VCID: 33331AE79BB92FE39E9-8066

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 3Q0 959 655 AE    HW: 3Q0 959 655 AE
   Component: Airbag VW20   012 0195  
   Revision: --------    Serial number: 003R1P1LQLLH
   Coding: 98FCC0C0000000005C5400CC008800000065
   Shop #: WSC 05314 000 00001
   ASAM Dataset: EV_AirbaVW20TS6VW48X 001116
   ROD: EV_AirbaVW20TS6VW48X.rod
   VCID: 015F802F91854D735C5-8054

   Belt Pretensioner left: 
   Subsystem 1 - Part No SW: 4M0 980 945 A    HW: 4M0 980 945 A
   Component: BeltPretRevFL  106 1032 
   Serial number: 3G2857705C0041P00014
   Coding: 80000A

   Belt Pretensioner right: 
   Subsystem 2 - Part No SW: 4M0 980 946 A    HW: 4M0 980 946 A
   Component: BeltPretRevFR  106 1032 
   Serial number: 3G2857706C0038P00156
   Coding: 80000A

   Side Sensor Driver Front: 
   Subsystem 3 - Part No SW: -----------    HW: 454 000 302 15
   Component: SideSensor_Df  008 0887 
   Serial number: 3576U0000000DB052310
   Coding: 2D2D2D

   Side Sensor Passenger Front: 
   Subsystem 4 - Part No SW: -----------    HW: 454 000 302 15
   Component: SideSensor_Pf  008 0887 
   Serial number: 3586U0000004CA052313
   Coding: 2D2D2D

   Side Sensor Driver Rear: 
   Subsystem 5 - Part No SW: -----------    HW: 454 801 502 15
   Component: SideSensor_Dr  111 0148 
   Serial number: 3516R5CA20F060000006
   Coding: 2D2D2D

   Side Sensor Passenger Rear: 
   Subsystem 6 - Part No SW: -----------    HW: 454 801 702 15
   Component: SideSensor_Pr  111 0148 
   Serial number: 3526RAA20D5050000002
   Coding: 2D2D2D

   Front Sensor Driver: 
   Subsystem 7 - Part No SW: -----------    HW: 454 800 102 15
   Component: FrontSensor_D  114 0149 
   Serial number: 3556V5C73CC05000000K
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J524)       Labels:| 5Q0-953-549.clb
   Part No SW: 3Q0 953 521 P    HW: 5Q0 953 569 A
   Component: Lenks.Modul   075 0175  
   Revision: FF032032    Serial number: 20150212400228
   Coding: 0400
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_SMLSVALEOMQB 001015
   ROD: EV_SMLSVALEOMQB.rod
   VCID: 3D273CDFADFDE99378D-8068

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 3G0 920 951     HW: 3G0 920 951 
   Component: KOMBI         308 4311  
   Coding: 27A409102F80260001886A001000000000000000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_DashBoardVDDMQBAB 009043
   ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
   VCID: 6491A9BB6ED7F85BD73-8030

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 5Q0-907-530-V1.clb
   Part No SW: 5Q0 907 530 AC    HW: 5Q0 907 530 M
   Component: GW MQB High   212 2203  
   Revision: --------    Serial number: 08021510800989
   Coding: 030300044F087300EF00025C080F00010001070000000000000000000000
   Shop #: WSC 05311 115 00095
   ASAM Dataset: EV_GatewConti 011020
   ROD: EV_GatewConti_011.rod
   VCID: 72BDDFE3A42366EB55F-8026

   Alternator: 

   Multi Function Steering Wheel Control Module: 
   Subsystem 2 - Part No SW: 5G0 959 442 K    HW: 5G0 959 442 K  Labels: 3C8-959-537.CLB
   Component: E221__MFL-DC1  H16 0040 
   Serial number: 29150000178070085054
   Coding: 2CFFFF

   Battery Monitoring Control Module: 
   Subsystem 3 - Part No SW: 5Q0 915 181 G    HW: 5Q0 915 181 G
   Component: J367-BDMHella  H04 8050 
   Serial number: 8928485703          

   Analog clock: 
   Subsystem 4 - Part No SW: 3G0 919 204 C    HW: 3G0 919 204 C
   Component: Analoguhr  111 1004 
   Serial number: 2801201500010207

1 Fault Found:
8531970 - Quiescent Current 
          U1406 00 [008] - Too High
          [Ruhestrom oberer Grenzwert überschritten]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 7
                    Fault Frequency: 228
                    Reset counter: 27
                    Mileage: 146284 km
                    Date: 2019.12.22
                    Time: 00:43:01

                    Supply voltage: Terminal 30: 12.4 V
                    Terminal 15: OFF


-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764)       Labels:* 5Q0-905-861.clb
   Part No SW: 3Q0 905 861     HW: 3Q0 905 861 
   Component: ELV-MQBB      H05 0031  
   Serial number: 15000013555013
   Coding: 0000000000000000
   Shop #: WSC 00015 115 08193
   ASAM Dataset: EV_ELVMarquMQBB 001007
   ROD: EV_ELVMarquMQBB.rod
   VCID: 71BFD0EFA1255DF3AC5-8024

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
   Part No SW: 5Q0 959 593 D    HW: 5Q0 959 593 B
   Component: TSG FS        020 0028  
   Serial number: 080215BB718916
   Coding: 003F0A20D001028000001000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_DCUDriveSideEWMAXKLO 006003
   ROD: EV_DCUDriveSideEWMAXCONT.rod
   VCID: 42DD4F23D403966B05F-8016

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
   Part No SW: 5Q0 909 144 R    HW: 5Q0 909 144 R
   Component: EPS_MQB_ZFLS  125 1061  
   Coding: 8103
   Shop #: WSC 00015 115 00315
   ASAM Dataset: EV_SteerAssisMQB 012140
   ROD: EV_SteerAssisMQB_012_VW37.rod
   VCID: 43D34A27CB199F630E9-8016

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
   Part No SW: 5Q0 959 592 D    HW: 5Q0 959 592 B
   Component: TSG BFS       020 0028  
   Serial number: 310115BAU19825
   Coding: 003F0020D001028000001000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_DCUPasseSideEWMAXKLO 006003
   ROD: EV_DCUPasseSideEWMAXCONT.rod
   VCID: 41DF402FD1058D731C5-8014

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels:| 5Q0-907-357.clb
   Part No SW: 5Q0 907 357     HW: 6R0 907 357 A
   Component: LWR-ECU       005 0080  
   Revision: --------    Serial number: --------------
   Coding: 03DE000009000000
   Shop #: WSC 05311 000 00001
   ASAM Dataset: EV_HeadlRegulVWLWRMQB 001110
   ROD: EV_HeadlRegulVWLWRMQB.rod
   VCID: 75B7E4FFD54D71D370D-8020

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
   Part No SW: 3Q0 035 874     HW: 3Q0 035 874 
   Component: MU-S-ND-ER    H10 0138  
   Serial number: VWZAZ2R8523334
   Coding: 02840201FF00000011111201000808001F0100C601200100CC
   Shop #: WSC 05311 115 00095
   ASAM Dataset: EV_MUStd4CTSAT 001018
   ROD: EV_MUStd4CTSAT_VW37.rod
   VCID: 6FBBD697B7114B03BA1-803A

   Operating And Display Unit 1: 
   Subsystem 1 - Part No SW: 3G0 919 605 D    HW: 3G0 919 605 D
   Component: ABT_Std-2_Nav  H42 1017 
   Serial number: VWZ8Z9RD8011WC      

   Data medium: 
   Subsystem 2 - Part No SW: 3G0 919 866 E    HW: -----------
   Component: ECE 2015  --- 0335 
   Serial number: --------------------

No fault code found.

-------------------------------------------------------------------------------
Address BB: Door Rear Drv (J388)       Labels:* None
   Part No SW: 5Q0 959 595 D    HW: 5Q0 959 595 B
   Component: TSG HFS       020 0028  
   Serial number: 280115BAR1323C
   Coding: 000E00200101028000001000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_DCURearDriveMAXKLO 006003
   ROD: EV_DCURearDriveMAXCONT.rod
   VCID: 44D1493BCE17985B373-8010

No fault code found.

-------------------------------------------------------------------------------
Address BC: Door Rear Pass (J389)       Labels:* None
   Part No SW: 5Q0 959 595 D    HW: 5Q0 959 595 B
   Component: TSG HBFS      020 0028  
   Serial number: 280115BAR11842
   Coding: 000E00200101028000001000
   Shop #: WSC 00015 115 00001
   ASAM Dataset: EV_DCURearPasseMAXKLO 006003
   ROD: EV_DCURearPasseMAXCONT.rod
   VCID: 44D1493BCE17985B373-8010

No fault code found.

End----------(Elapsed Time: 02:02, VBatt start/end: 14.5V/14.4V)-----------
 
Last edited by a moderator:
   #2  

Uwe

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Looks like you have some wonkiness with the pressure sensors.

First thing to do: Check the tubes between the sensors and the exhaust for integrity (no leaks) and verify that they are not blocked.

-Uwe-

PS: Got you Verified, moving this to Car Repair Support.
 
   #3  

Uwe

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Also whats the fault:-8531970 - Quiescent Current U1406 00 [008] - Too High
It means current draw from the battery is higher than expected when everything is (ostensibly) shut down.

-Uwe-
 
   #4  

Humbucker

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It means current draw from the battery is higher than expected when everything is (ostensibly) shut down.

-Uwe-

Cheers for the reply,
I think this might be due to the Tracker fitted.
Thanks again
 
   #5  

Humbucker

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Thanks Uwe for the verified,
Will look at the pressure sensors when I locate them, more pipes and sensor than my B5 passat.

If I end up replacing the pressure sensors is it just a straight swop or do i have to recalibrate the new ones.
Thanks again.
 
   #6  

Uwe

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There's usually a calibration involved for the differential pressure sensor at least. But you shouldn't throw parts at the car until you've done the basic checks I recommended previously.

-Uwe-
 
   #7  

Humbucker

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There's usually a calibration involved for the differential pressure sensor at least. But you shouldn't throw parts at the car until you've done the basic checks I recommended previously.

-Uwe-
Update
I managed to have a look at the car when the rain stopped (Northern England been raining for over a week)
I also have done some reserch into this fault and some had the same issue after a cambelt change, and mine had one a few weeks ago.
I have removed the the pressure sensors and blew down the pipes that go to the DPF with little to no resistance down either.
I have checked for any split pipes as far as i can see.
I blew into both pressure sensors.
Checked the resistance on all 3 pins and both senors measure the same across two sets of pins pin 1 - 2 : Pins 1 to 3 : Pins 2 to 3
I replaced the sensors and the soot mass has stopped jumping.
Before it jumped from 50% sootmass to 100% sootmas after 1 mile
Now its not jumping but will see how it goes on and feed back after a few weeks.
Dont Know why it seems ok at the moment, may be blowing has disturbed some contamination.
I have seen a few people with the same fault but no one has said what they did to cure the fault.
 
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