2018 Audi Q3 1.4 TFSi. Fuel bleed after tank replacement

   #1  

invernesspl

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Hi,

I have a 2018 Audi Q3 1.4 TFSi. The fuel tank was damaged and has now been replaced. I have put 10 litres of fuel in the new tank, but I cannot get the car to start. VCDS is not showing any faults, but I am guessing that the fuel lines need to be bled?

Can anyone help? I can't seem to find how to get the fuel pump to run in VCDS or any info on how to bleed it.

Many thanks.
 
   #2  

Jef

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Fault codes or not, please always include a full Auto-Scan. If I want to try and look at wiring diagrams for this... I have no clue what I'm digging into...... I don't know what ECM you have installed.... all I know is this is some 2018 Q3 with some 1.4 and I'm a bit dim so I need a better starting point that the Auto-Scan gives.

Regards.
 
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   #3  

invernesspl

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Fault codes or not, please always include a full Auto-Scan. If I want to try and look at wiring diagrams for this... I have no clue what I'm digging into...... I don't know what ECM you have installed.... all I know is this is some 2018 Q3 with some 1.4 and I'm a bit dim so I need a better starting point that the Auto-Scan gives.

Regards.

Thanks for reply, i'll copy the Auto Scan in the morning and post it here.
 
   #4  

invernesspl

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Fault codes or not, please always include a full Auto-Scan. If I want to try and look at wiring diagrams for this... I have no clue what I'm digging into...... I don't know what ECM you have installed.... all I know is this is some 2018 Q3 with some 1.4 and I'm a bit dim so I need a better starting point that the Auto-Scan gives.

Regards.

Hi, here is the autoscan:

Code:
Wednesday,16,October,2019,11:13:15:41168
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8.1 x64
VCDS Version: 19.6.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20190529 DS308.0
www.Ross-Tech.com


VIN: WAUZZZ8U8JR052298   License Plate: 


Chassis Type: 8U-AU21 (8U0)
Scan: 01 02 03 08 09 10 15 16 17 19 25 42 44 46 52 55 5F 62 6D 72
         

VIN: WAUZZZ8U8JR052298   Mileage: 2840km-1764miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- 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
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- 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
-------------------------------------------------------------------------------
Address 01: Engine (J623-CZEA)       Labels:. 04E-907-309-V1.clb
   Part No SW: 04E 906 027 LA    HW: 04E 907 309 CN
   Component: R4 1.4l TFS   H24 3859  
   Revision: R8H24---    
   Coding: 001D0032242419082000
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_ECM14TFS01104E906027LA 001003
   ROD: EV_ECM14TFS01104E906027LA.rod
   VCID: 6E85CDD0701D0877285-803A

No fault code found.
Readiness: 1110 0001

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 02E-927-770.clb
   Part No SW: 02E 300 066 L    HW: 02E 927 770 AT
   Component: GSG DSG AG6     541 5205  
   Revision: 06454104    Serial number: 00001711140193
   Coding: 0000020
   Shop #: WSC 00049 770 00163
   VCID: 221DE9E0F8C5FC17FCD-8076

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5N0-614-109-V1.clb
   Part No SW: 5N0 614 109 CL    HW: 5N0 614 109 CL
   Component: ESC-EBC460iV1 H14 0014  
   Serial number: A01NZ7W
   Coding: 21F124A1B125E36E2079840924CB8DC704365700F08B4881
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_Brake1ESCEPBTRW 006353
   ROD: EV_Brake1ESCEPBTRW_006.rod
   VCID: 77ABE8B40F4749BFFB3-8022

1 Fault Found:
0799 - Databus 
          U1123 00 [008] - Received Error Message
          [MSG_LH3_LM_INVALID]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 5
                    Reset counter: 229
                    Mileage: 2849 km
                    Date: 2019.10.09
                    Time: 13:37:08

                    Additional_Codes: 00 00 00 09 E1 7F 40 4F 0A
                    DTC: 00 03 1F
                    Additional2: 00 05 00 00 05 22 90 01 90 01


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 8P0-820-043.lbl
   Part No SW: 8U0 820 043 J    HW: 8U0 820 043 J
   Component: E87  Klimavoll      0220  
   Revision: 00H05000    Serial number: 8U0820043J
   Shop #: WSC 00000 000 00000
   VCID: 38292B884E5986C7329-806C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 8X0-907-063.clb
   Part No SW: 8X0 907 063 AF    HW: 8X0 907 063 AF
   Component: BCM PQ35  M   113 0821  
   Revision: AB113821    
   Coding: 0E000A2CA805F1C0201849C00144094C43FF25AA006F912BE400878400C1
   Shop #: WSC 00049 770 00147
   VCID: 005983685A090E07CA9-8054

   Subsystem 1 - Part No SW: 8U2 955 119     HW: 8U2 955 119   Labels: 1KX-955-119.CLB
   Component: WWS316 171119  H38 0090 
   Serial number:         171206095514
   Coding: 0047F7

   Subsystem 2 - Part No SW: 8U0 955 559 C    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
   Component: G397_RLFS  H06 0004 
   Serial number: 63163783            
   Coding: 02006E

   Subsystem 3 - Part No: 8X0 951 177 A
   Component: Sensor, DWA 0  005 0002 

   Subsystem 4 - Part No: 1K0 951 605 F
   Component: LIN BACKUP HO  H01 0008 

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 8X0-919-475.clb
   Part No SW: 8X0 919 475 AK    HW: 4H0 919 475 AG
   Component: PARKHILFE 8K  H01 0090  
   Revision: 11001001    Serial number: 61031736200321
   Coding: 08C30E
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_EPHVA18AU21X0000 003009
   ROD: EV_EPHVA18AU21X0000_003.rod
   VCID: 0F7BB05417D7617F433-805A

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 8X0-959-655.clb
   Part No SW: 8U0 959 655 D    HW: 8U0 959 655 D
   Component: AirbagVW-AU10 H12 0910  
   Serial number: 003S0R0KDBW5  
   Coding: 30523232333030303030554A305238553053
   Shop #: WSC 00049 770 00119
   ASAM Dataset: EV_AirbaAU10SMEAU316 001010
   ROD: EV_AirbaAU10SMEAU316_001.rod
   VCID: 48C95B483239F647429-801C

   Crash sensor for side airbag: driver side: 
   Subsystem 1 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.V  H02 ---- 
   Serial number: 3496KSME5C525343ZZZZ

   Crash sensor for side airbag: front passenger side: 
   Subsystem 2 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.V  H02 ---- 
   Serial number: 3506KSME0B464543ZZZP

   Crash sensor for side airbag: rear: driver side: 
   Subsystem 3 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.H  H02 ---- 
   Serial number: 3516KSME7F025543ZZZU

   Crash sensor for side airbag: rear: passenger side: 
   Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.H  H02 ---- 
   Serial number: 3526KSME15474543ZZZN

   Crash sensor for front airbag: driver side: 
   Subsystem 5 - Part No SW: 8U0 959 651     HW: 8U0 959 651 
   Component: F.Sens.Fahr  H02 ---- 
   Serial number: 3555USME064C2343ZZZ-

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 8X0-953-569.clb
   Part No SW: 8X0 953 521 AF    HW: 5K0 953 569 BD
   Component: LENKS.MODUL   018 0230  
   Revision: FF010018    Serial number: 20171204201122
   Coding: 1894204000
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_SMLSNGVOLWSR8C 001001
   ROD: EV_SMLSNGVOLWSR8C.rod
   VCID: 005983685A890E07CA9-8054

   Multifunction steering wheel control module: 
   Subsystem 1 - Part No SW: 8U0 951 528 H    HW: 8U0 951 528 H
   Component: E221 - MFL  H08 0010 
   Serial number: 16 12 2017  E0021937

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 8X0-920-xxx-17.clb-SRI1
   Part No SW: 8U0 920 980 H    HW: 8U0 920 980 H
   Component: KOMBI_MEDIUM  H05 0540  
   Serial number: 00000000000000
   Coding: 42CF01
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_Kombi_UDS_VDD_AU10 A04399
   ROD: EV_Kombi_UDS_VDD_AU10.rod
   VCID: 41DF466C1103C70F857-8014

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels: 8X0-907-468.clb
   Part No SW: 8U0 907 468 AQ    HW: 8U0 907 468 G
   Component: GAT 4CAN 1L M H13 0090  
   Revision: 1P170044    Serial number: 4441P17C0400C7
   Coding: FBCF7A5A000108610353
   Shop #: WSC 00049 770 00163
   VCID: 117FB62C0163778F557-8044

   Subsystem 1 - Part No SW: 1K0 915 181 L    HW: 1K0 915 181 L
   Component: J367-BDM  H07 0270 
   Serial number: 44193742035831810902

   Subsystem 2 - Part No SW: 8K0 959 663 D    HW: 8K0 959 663 D
   Component: J532_DCDCStab  H23 0022 
   Serial number: 17111100000000000557

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 8U0 920 980 H    HW: 8U0 920 980 H
   Component: IMMO          H05 0540  
   Serial number:               
   Coding: 000002
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_Immo_UDS_VDD_AU10 A04113
   ROD: EV_Immo_UDS_VDD_AU10.rod
   VCID: 41DF466C1103C70F857-8014

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8X0-959-793.clb
   Part No SW: 8X0 959 793 H    HW: 8X0 959 793 H
   Component: TSG FA        H11 0415  
   Revision: --------    Serial number: --------------
   Coding: 011806204001000000
   Shop #: WSC 00049 770 00163
   VCID: 52FD7920C4E54C972CD-8006

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 5N0 909 144 R
   Component: EPS_ZFLS Kl. 300    3501  
   Revision: 00H22000    
   Shop #: WSC 00049 770 00152
   VCID: 40D943681689CE078A9-8014

1 Fault Found:
03803 - Steering Angle Sensor for Steering Aid 
            000 - - - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 2849 km
                    Time Indication: 0
                    Date: 2019.10.16
                    Time: 11:10:37

             Freeze Frame:
                    Battery Volts: 12.2 V
                        DD
                    Temperature: 18.0°C
                    Count: 2
                    Steering Angle: 0.00°
                    Count: 0
                        SteerAng n.Init


-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8X0-959-792.clb
   Part No SW: 8X0 959 792 H    HW: 8X0 959 792 H
   Component: TSG BF        H11 0415  
   Revision: --------    Serial number: --------------
   Coding: 011806204001000000
   Shop #: WSC 00049 770 00163
   VCID: 51FF762CC1E3378F157-8004

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels:| 8X0-907-357.clb
   Part No SW: 8X0 907 357 E    HW: 8X0 907 357 B
   Component: ****LWR12**** H02 0020  
   Serial number: 171207-0002-041
   Coding: 11C794101000A500
   Shop #: WSC 00049 770 00152
   ASAM Dataset: EV_HeadlRegulBasic 005001
   ROD: EV_HeadlRegulBasic.rod
   VCID: 44D14F780E11D227AE1-8010

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels: None
   Part No SW: 8U1 035 192 D    HW: 8U1 035 192 A
   Component: RMC Nav Plus  H62 0186  
   Coding: 01010600024053470823020103010000000000
   Shop #: WSC 00049 770 00163
   VCID: 363525B0484D70B7205-8062

   Subsystem 1 - Part No SW: 8U0 919 603 A    HW: 8U0 919 603 A
   Component: DUBasic AU316  H43 0018 
   Serial number: AUZ8ZDH5J01Q3K7     

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels: None
   Part No SW: 8X0 959 795 C    HW: 8X0 959 795 C
   Component: TSG HL        H08 0415  
   Revision: --------    Serial number: --------------
   Coding: 010006200001000000
   Shop #: WSC 00049 770 00163
   VCID: 4FFB7054D7D7217F033-801A

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (----)       Labels:* Redir Fail!
   Part No SW: 8U0 959 107 A    HW: 8U0 959 107 A
   Component: HDSG-Modul    H02 0552  
   Revision: 15001001    Serial number: 355700341
   Coding: 183307C002
   Shop #: WSC 00049 770 00163
   ASAM Dataset: EV_HDSGAU316 001001
   ROD: EV_HDSGAU316.rod
   VCID: 3D273A9C6DFBA3EFE1F-8068

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels: None
   Part No SW: 8X0 959 795 C    HW: 8X0 959 795 C
   Component: TSG HR        H08 0415  
   Revision: --------    Serial number: --------------
   Coding: 010006200001000000
   Shop #: WSC 00049 770 00163
   VCID: 4FFB7054D7D7217F033-801A

No fault code found.

End----------(Elapsed Time: 01:21, VBatt start/end: 12.2V/12.4V)-----------
 
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   #5  

invernesspl

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probably worth noting, the car was parked up with a dead battery for a few weeks.
 
   #6  

Jef

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Generally speaking, with gas engines, there is no real need to bleed the fuel system, it will take care of itself quickly.

I do see two things that look like they can run the lift pump in the fuel tank. Under [Basic Settings - 04] you will find:
IDE03999 - Drain fuel tank

And then under [Output Test - 03] there is:
IDE00219-ENG16746 - Fuel pump electronics

But I'm not so confident that will resolve your no start issues. I don't see the harm in doing the Basic Settings for maybe 60 seconds and then see what happens. If the car still doesn't start, maybe unhook the fuel line in the engine bay and feed it into an empty diet Dr Pepper soda bottle, do the Basic Settings again and see that fuel is actually being pumped up to the engine bay.

Is the battery currently in good condition?
Is there any kind of compression issues?
 
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   #7  

invernesspl

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Generally speaking, with gas engines, there is no real need to bleed the fuel system, it will take care of itself quickly.

I do see two things that look like they can run the lift pump in the fuel tank. Under [Basic Settings - 04] you will find:
IDE03999 - Drain fuel tank

And then under [Output Test - 03] there is:
IDE00219-ENG16746 - Fuel pump electronics

But I'm not so confident that will resolve your no start issues. I don't see the harm in doing the Basic Settings for maybe 60 seconds and then see what happens. If the car still doesn't start, maybe unhook the fuel line in the engine bay and feed it into an empty diet Dr Pepper soda bottle, do the Basic Settings again and see that fuel is actually being pumped up to the engine bay.

Is the battery currently in good condition?
Is there any kind of compression issues?

Hi,
Thanks. I have actually tried running both of those tests, but it would only let me run them once each for some reason? The fuel pump ran for 30 seconds and then stopped, but unfortunately the car still wont start.

The car has only done 1,700 so is virtually brand new. I've had a battery charger on it and set it to boost whilst cranking (battery seems ok on its own though)

Really don't know what to try next!?
 
   #8  

invernesspl

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I've just removed the black fuel line under the bonnet and there was quite bit of fuel pressure in there, so the fuel has reached the engine. the return white fuel line though did not have any pressure in? not sure how that system works if i'm honest.

I'm beginning to think the fault lies somewhere else other than fuel. What else could prevent it starting?
 
   #10  

Jef

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How is the compression? Do you have spark? If you spray a little bit of starter fluid into the intake during cranking, does it fire? Does the tachometer show RPM during cranking?
 
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   #11  

invernesspl

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How is the compression? Do you have spark? If you spray a little bit of starter fluid into the intake during cranking, does it fire? Does the tachometer show RPM during cranking?

The rev counter is showing 400rpm or so when cranking, i've not checked for a spark as haven't disturbed anything around the engine as yet, the car has only covered 1,700 miles from new so compression cant be an issue - it cant be anything serious. As it is under warranty I might hand it to Audi dealer to take a look, they might be able to diagnose something my ross-tech software cant perhaps?
 
   #12  

Jef

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the car has only covered 1,700 miles from new so compression cant be an issue - it cant be anything serious.

Not to be a Jack here... but how do you know compression is good? 1700 is just a number on the odometer, not an indication of compression. You've got an engine that doesn't fire, one must check the basics. Odds are it isn't the compression, but until you actually do the test with a gauge and get data, you can't confirm it is good.

</jack mode>
 
   #13  

Jack@European_Parts

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JPPSG

mity-vac.jpg


NO FOD!

fod-control-signs-risk-series.png
 
   #14  

morski

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Being under warranty why didnt the main dealer replace the damaged fuel tank? Must have been an impact or something. How severe was it? The fuel pump/filter sits inside the tank so have you reused the original? Is it 100% ok or could that be damaged? Too many unknowns..
 
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