2011 Audi A4 Quattro 2.0

   #1  

timgardner71

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Trying to figure out a low oil pressure warning. Tested with gauge and had 20 psi at idle and 55 at 3k. Changed out both oil pressure sensors and got the low pressure warning back again. Generally occurs at idle after 15+ minutes of driving. Thanks for any help.

Code:
Saturday,26,September,2020,18:29:02:54027
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.2.0 (x64)  HEX-NET CB: 0.4513.4
Data version: 20200730 DS317.0
www.Ross-Tech.com


VIN: WAUFFBFL8BN019632   License Plate:
Mileage: 180850km-112374mi   Repair Order:



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


Chassis Type: FL-AU48 (8T0)
Scan: 01 02 03 05 08 09 10 15 16 17 19 42 46 52 53 55 56 5F 62 6C
          72

VIN: WAUFFBFL8BN019632   Mileage: 180850km-112374miles

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
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
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (0-----CAEB)       Labels:| 06H-907-115-CAB.clb
   Part No SW: 8K2 907 115 AG    HW: 8K2 907 115 D
   Component: 2.0l R4/4V TF H17 0002 
   Revision: E1H17---   
   Coding: 0104010A290F0160
   Shop #: WSC 44635 001 1048576
   ASAM Dataset: EV_ECM20TFS0118K2907115AG 001002
   ROD: EV_ECM20TFS0118K2907115AG.rod
   VCID: 74A420E3DF68242607-8020

2 Faults Found:
5580 - Oil Pressure Switch
          P164B 00 [032] - Malfunction
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 180834 km
                    Date: 2020.09.25
                    Time: 08:46:59

                    Engine speed: 2745.00 /min
                    Normed load value: 7.1 %
                    Vehicle speed: 69 km/h
                    Coolant temperature: 76 °C
                    Intake air temperature: 21 °C
                    Ambient air pressure: 970 mbar
                    Voltage terminal 30: 13.052 V
                    Unlearning counter according OBD: 38

5582 - Oil Pressure Switch for reduced Oil Pressure
          P164D 00 [044] - Malfunction
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 17
                    Mileage: 180837 km
                    Date: 2020.09.25
                    Time: 08:51:19

                    Engine speed: 808.00 /min
                    Normed load value: 10.6 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 78 °C
                    Intake air temperature: 26 °C
                    Ambient air pressure: 980 mbar
                    Voltage terminal 30: 12.321 V
                    Unlearning counter according OBD: 40

Readiness: 0000 0001

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0BK-927-156.clb
   Part No SW: 8K0 927 158 K    HW: 0BK 927 156 N
   Component: 0BK 20TFSIUSA H08 1014 
   Revision: --H08---   
   Coding: 001112
   Shop #: WSC 02145 785 00200
   ASAM Dataset: EV_TCMAL551211 001013
   ROD: EV_TCMAL551211_001.rod
   VCID: 3E30C2CBA1A4BE7621-806A

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
   Part No SW: 8K0 907 379 BJ    HW: 8K0 907 379 BJ
   Component: ESP8 quattro  H04 0050 
   Revision: --------    Serial number: --------------
   Coding: 1D0D18
   Shop #: WSC 02391 823 56573
   VCID: 0248763B9DDC1A9605-8056

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 8K0 907 064 CF    HW: 8K0 907 064 CF
   Component: BCM2 2.0      H04 0430 
   Revision: 00002001   
   Coding: 090100
   Shop #: WSC 02399 823 56573
   VCID: 76A01AEBC114363639-8022

   Subsystem 1 - Part No SW: 8T0 959 754 A    HW: 8T0 959 754 A
   Component: FBSAUDIB8 IDG  H50 0071
   Serial number: 0810000086640008   

   Subsystem 2 - Part No SW: 8K0 905 852 D    HW: 8K0 905 852 D
   Component: J764 ELV MLB  H37 0042
   Serial number: 0210000159109015   

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:. 8Tx-820-043-3Z.clb
   Part No SW: 8T1 820 043 AQ    HW: 8T1 820 043 AQ
   Component: KLIMA 3 ZONEN H08 0180 
   Revision: C1000000    Serial number: 01160820100117
   Coding: 64102000
   Shop #: WSC 02391 823 56573
   VCID: 004C7C3393D0088613-8054

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
   Part No SW: 8K0 907 063 P    HW: 8K0 907 063 P
   Component: BCM1 1.0      H29 0392 
   Revision: 10029001    Serial number: 00000000765466
   Coding: 26001091063CAF010000080300003D0D0F1C520802010161000000
   Shop #: WSC 02391 823 56573
   VCID: 3C34C8C3BFB8AC660F-8068

   Subsystem 1 - Part No SW: 8K1 955 119 A    HW: 8T1 955 119   Labels: 1KX-955-119.CLB
   Component: WWS 200810  H06 0070
   Serial number: SWF10080205526     
   Coding: 00FD11

   Subsystem 2 - Part No SW: 8K0 955 559     HW: 8K0 955 559   Labels: 8K0-955-559.CLB
   Component: RLS  H04 0003
   Serial number: 11018722           
   Coding: 025028

   Subsystem 3 - Part No SW: 8K0 941 531 AL    HW: 8K0 941 531 AL
   Component: E1 - LDS  H08 0090
   Serial number: 00000000000408101127

   Subsystem 4 - Part No SW: 8K0 907 410 C    HW: 8K0 907 410 C
   Component: HOMELINK  H01 0010

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:. 8K0-919-475.clb
   Part No SW: 8K0 919 475 Q    HW: 8K0 919 475
   Component: PARKHILFE 4K  H06 0070 
   Revision: 11001001    Serial number: 51231023210335
   Coding: 200103
   Shop #: WSC 02391 823 56573
   VCID: 47DEA72FF67EFFBE92-8012

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 8K0-959-655.clb
   Part No SW: 8K0 959 655 K    HW: 8K0 959 655 K
   Component: AirbagVW-AU10 H41 0610 
   Serial number: 003GLD0GED1B 
   Coding: 303937354230303030304A55304C384B3053
   Shop #: WSC 02135 785 00200
   ASAM Dataset: EV_AirbaECUVWAUDI010 003010
   ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
   VCID: 45C2AD27C472EDAE60-8010

   Seat occupied recognition:
   Subsystem 1 - Part No SW: 8K0 959 339 C    HW: 8K0 959 339 C
   Component: BF-Gewichtss.  H02 0040
   Serial number: 5810000R10000010WD

   Crash sensor for side airbag: driver side:
   Serial number: 6334MSME56616A52E

   Crash sensor for side airbag: front passenger side:
   Serial number: 6344MSME567215044

   Crash sensor for side airbag: rear: driver side:
   Serial number: 6352QSME306918127

   Crash sensor for side airbag: rear: passenger side:
   Serial number: 6362QSME326C102CG

   Crash sensor for front airbag: driver side:
   Serial number: 63732SME6F6B062CE

   Crash sensor for front airbag: front passenger side:
   Serial number: 63832SME3E6A0A1CD

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
   Part No SW: 8K0 953 568 F    HW: 8K0 953 568 F
   Component: Lenks.Modul   H17 0014 
   Revision: --------    Serial number: 90319JHN0007G
   Coding: 000016
   Shop #: WSC 02391 823 56573
   VCID: 3D32C5C7A4A2A56E38-8068

   Component: E221 - MFL  H02 0010

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
   Part No SW: 8K0 920 981 C    HW: 8K0 920 981 C
   Component: KOMBIINSTR.   H21 0258 
   Revision: 00000000    Serial number: EJB210U7A    
   Coding: 8B1709000300D705020000
   Shop #: WSC 02391 823 56573
   VCID: 3326E3FF92E6631EDE-8066

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
   Part No SW: 8T0 907 468 AD    HW: 8T0 907 468 K
   Component: GW-BEM 4CAN-M H09 0117 
   Revision: EC000056    Serial number: 5600E10727837D
   Coding: 00C303
   Shop #: WSC 02391 823 56573
   VCID: 0346733F82C6139E0E-8056

   Subsystem 1 - Part No SW: 8K0 915 181 E    HW: 8K0 915 181 E
   Component: J367-BDM  H07 0170
   Serial number: 1002B495040810     

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
   Part No SW: 8T0 959 793 M    HW: 8T0 959 793 D
   Component: TSG FA        H08 1401 
   Revision: --------    Serial number: --------------
   Coding: 011C03204000410001
   Shop #: WSC 02391 823 56573
   VCID: 53E6837F3226431EFE-8006

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
   Part No SW: 8K0 907 064 CF    HW: 8K0 907 064 CF
   Component: BCM2 2.0      H04 0430 
   Revision: 00002001    Serial number: 0134089128   
   Coding: 0106023A00FA440480B0013200000000
   Shop #: WSC 02391 823 56573
   VCID: 76A01AEBC114363639-8022

   Subsystem 1 - Part No SW: 8K0 959 719     HW: 8K0 959 719
   Component: GTO BF  H06 0050
   Serial number: 00000000000000293616

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

   Subsystem 3 - Part No SW: 8K0 959 591 A    HW: 8K0 959 591
   Component: J245 PS039  H06 0041

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
   Part No SW: 8T0 959 792 M    HW: 8T0 959 792 D
   Component: TSG BF        H08 1401 
   Revision: --------    Serial number: --------------
   Coding: 011C03204000410001
   Shop #: WSC 02391 823 56573
   VCID: 52E8867B0D3C4A16F5-8006

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (J540)       Labels: 8K0-907-801-V1.clb
   Part No SW: 8K0 907 801 H    HW: 8K0 907 801 H
   Component: EPB Audi B8   H09 0100 
   Revision: 00000003    Serial number: 10000000592359
   Shop #: WSC 00000 000 00000
   VCID: 3424E0E397E86426C7-8060

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 8K0-907-357.clb
   Part No: 8K5 907 357
   Component: Dynamische LWR  H01 0010 
   Revision: 00000001    Serial number:              
   Coding: 0000004
   Shop #: WSC 02145 785 00200
   VCID: 77BE17EF061E4F3E22-8022

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels: Redir Fail!
   Part No SW: 4G0 035 082     HW: 4G0 035 082
   Component: Radio U SIRIU H51 0052 
   Revision: AB001007    Serial number: 471HX0A7521625
   Coding: 020007020100000001
   Shop #: WSC 02391 823 56573
   VCID: 5DF2654744E2856E58-8008

2 Faults Found:
02558 - Rear Left Mid-Range/Woofer Loudspeaker (R159)
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 5
                    Fault Frequency: 1
                    Reset counter: 240
                    Mileage: 180134 km
                    Time Indication: 0
                    Date: 2020.08.29
                    Time: 13:21:43

             Freeze Frame:
                    Voltage: 12.10 V

02559 - Rear Right Mid-Range/Woofer Loudspeaker (R160)
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 5
                    Fault Frequency: 3
                    Reset counter: 243
                    Mileage: 180134 km
                    Time Indication: 0
                    Date: 2020.08.29
                    Time: 13:21:43

             Freeze Frame:
                    Voltage: 12.10 V


-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 8T1 035 664 C    HW: 8T1 035 664 B
   Component: H-BN-NA       H49 0116 
   Revision: --------    Serial number: 490HA0A7579946
   Coding: 010200000006A1EF01000B0E000000030000
   Shop #: WSC 02391 823 56573
   VCID: 383CD4D38B808046EB-806C

   Subsystem 1 - Part No: 8R0 060 884 P
   Component: NAR 2010  0407

   Subsystem 2 - Part No SW: 8F0 919 604     HW: 8F0 919 604
   Component: DU7 High  H43 0084
   Serial number: 9466D+0B0570779    

   Subsystem 3 - Part No SW: 8T0 919 609 F    HW: 8T0 919 609 F
   Component: E0380 Bedient  H08 0100
   Serial number: 00000000610420     

   Subsystem 4 - Part No: 8R0 060 961
   Component: CD-Database  1886

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
   Part No SW: 8T0 959 795 N    HW: 8T0 959 795 B
   Component: TSG HL        H06 1401 
   Revision: --------    Serial number: --------------
   Coding: 010C03204000210001
   Shop #: WSC 02391 823 56573
   VCID: 56E07A6B21D4563619-8002

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 8T0-907-441.clb
   Part No SW: 8T0 907 441 C    HW: 4L0 907 441 B
   Component: J772__Rearview      0040 
   Revision: --H04---    Serial number: 525PA8-J079300
   Coding: 1000006
   Shop #: WSC 02391 785 00200
   VCID: 383CD4D34B808046EB-806C

No Faults Found
  or DTCs not supported by controller
  or a communication error occurred

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-794.clb
   Part No SW: 8T0 959 795 N    HW: 8T0 959 795 B
   Component: TSG HR        H06 1401 
   Revision: --------    Serial number: --------------
   Coding: 010C03204000210001
   Shop #: WSC 02391 823 56573
   VCID: 56E07A6B21D4563619-8002

No fault code found.

End----------(Elapsed Time: 02:11, VBatt start/end: 12.2V/12.0V)-----------
 
Last edited by a moderator:
   #2  

MartinsX

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Replace engine...
This is not the first case... Use search in forum and on Internet.
You can try to get some extra time/mileage by using thicker oil, maybe.
 
   #3  

Uwe

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Tested with gauge and had 20 psi at idle and 55 at 3k
That seems like it's plenty, but... What was the oil temperature like when you tested it with a gauge? Oil temperature has a huge effect on pressure.

-Uwe-
 
   #4  

Uwe

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Replace engine...
I rarely question your advice, but what's the failure that would require replacing the whole engine?

-Uwe-
 
   #5  

MartinsX

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I had one case like that but after I found several similar cases on internet with this engine.
In my case car was just bought used and new owner did the oil change (new oil according spec.). Soon after symptoms like OP described appeared. Old oil coming out of engine looked like thicker that it should be...
Pressure measurements within spec. right after start but slowly goes down and after some 10-15 min idling below spec. New oil pump - the same. New oil pressure regulator - the same. New (used, low mileage) engine - fault is gone. Old engine disassembled for investigation - little wear-out everywhere but nothing critical found.
Compete rebuilding of engine with all new original parts was at least triple price than another used one...
I can't give exact advice to OP without having my own hands on on his car, I'm just telling my experience ;)
 
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