2008 Audi TT Roadster 3.2L Quatro - DTC P0491 P2197 P2181 etc Auto-Scan and the OBD-II modes 1 thru 9

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Stuart C

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Hello, this is my first post for my 2008 Audi TT Roadster 3.2L Quatro using the Ross-Tech scanner.
Any of your comments will be much appreciated.
I had a check engine light, so I cleared the Fault codes and drove the car for a few days until the check engine light came back on.
Also, the dashboard engine coolant temp gauge is intermittent - sometimes it shows (full cold /or normal) when the engine is warmed up. The scan tool shows the engine cooling temp (ECT) always warming up and never staying on full cold (like the dashboard gauge sometimes does).
I did a quick thermostat test by starting the car with a cold engine and then ran it at 1800 rpm for 10 mins. The ECT warmed to 92C and the dashboard temp gauge showed normal temp this time!
Here are copies of the full Auto-Scan and the OBD-II modes 1 thru 9:

Code:
Thursday,16,June,2022,11:52:03:13474
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 22.3.1.4 (x64)  HEX-V2 CB: 0.4615.4
Data version: 20220407 DS337.0
www.Ross-Tech.com


VIN: TRURD38J781003564   License Plate:


Chassis Type: 8J (1K0)
Scan: 01 02 03 08 09 15 16 17 19 22 25 26 37 42 44 46 47 52 55 56
          65 77

VIN: TRURD38J781003564   Mileage: 168530km-104719miles

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: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
22-AWD -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
26-Auto Roof -- Status: Malfunction 0010
37-Navigation -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
65-Tire Pressure -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 022-906-032-BDB.lbl
   Part No SW: 022 906 032 HG    HW: 022 906 032 GP
   Component: TT-3.2-DQ-LEV2  G   1166
   Revision: 1QH02---    Serial number: AUX7Z0G4FNA03D
   Coding: 0000178
   Shop #: WSC 01236 785 00200
   VCID: 57EB864A930E2E93DE5-8002
   VINID: 92296250321A1C8040003146100F4EAC7A

3 Faults Found:
001169 - Secondary Air Injection System: Bank 1
               P0491 - 002 - Insufficient Flow
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 168327 km
                    Time Indication: 0
                    Date: 2022.06.07
                    Time: 18:13:17

             Freeze Frame:
                    RPM: 1259 /min
                    Load: 26.3 %
                    Speed: 30.0 km/h
                    Temperature: 37.0°C
                    Temperature: 36.0°C
                    Absolute Pres.: 970.0 mbar
                    Voltage: 13.335 V

008599 - Oxygen (Lambda) Sensor B2 S1
               P2197 - 001 - Signal too Low (Lean) - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 168330 km
                    Time Indication: 0
                    Date: 2022.06.07
                    Time: 18:18:15

             Freeze Frame:
                    RPM: 1625 /min
                    Load: 36.5 %
                    Speed: 64.0 km/h
                    Temperature: 67.0°C
                    Temperature: 38.0°C
                    Absolute Pres.: 970.0 mbar
                    Voltage: 13.589 V

008577 - Performance Malfunction in Cooling System
               P2181 - 008 -  - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10101000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 168332 km
                    Time Indication: 0
                    Date: 2022.06.07
                    Time: 18:22:04

             Freeze Frame:
                    RPM: 1508 /min
                    Load: 54.1 %
                    Speed: 60.0 km/h
                    Temperature: 72.0°C
                    Temperature: 39.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 13.462 V

Readiness: 0000 1100

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 02E-927-770.clb
   Part No SW: 02E 300 011 BL    HW: 02E 927 770 AD
   Component: GSG DSG         082 1396
   Revision: 05308020    Serial number: 00001001050882
   Coding: 0000020
   Shop #: WSC 04940 001 00001
   VCID: 5AED9F7EE01C33FBE1B-800E

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 8J0-614-517.clb
   Part No SW: 8J0 614 517     HW: 8J0 614 517
   Component: ESP MK60E1          0130
   Revision: 00H52001  
   Coding: 0017985
   Shop #: WSC 01236 785 00200
   VCID: 6A8DCFBE307CA37B71B-803E

1 Fault Found:
01826 - Sensor for Steering Angle (G85); Supply Voltage Terminal 30
            000 - - - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 91
                    Mileage: 167698 km
                    Time Indication: 0
                    Date: 2022.05.09
                    Time: 00:26:22

             Freeze Frame:
                    Count: 128
                    Count: 13057
                    Count: 297
                    Count: 42496


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 8J0-820-043.clb
   Part No SW: 8J0 820 043 AJ    HW: 8J0 820 043 AJ
   Component: J255  Klima 1 Zone  0080
   Revision: 00H07003    Serial number: 00000001035418
   Coding: 1048870
   Shop #: WSC 01236 785 00200
   VCID: 6E85C3AE0C944F5B2D3-803A

2 Faults Found:
01314 - Engine Control Module
            008 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00101000
                    Fault Priority: 5
                    Fault Frequency: 62
                    Reset counter: 117
                    Mileage: 147276 km
                    Time Indication: 0
                    Date: 2019.12.27
                    Time: 22:20:46

01206 - Signal for Duration of Ignition Off Time
            008 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00101000
                    Fault Priority: 7
                    Fault Frequency: 3
                    Reset counter: 90
                    Mileage: 167698 km
                    Time Indication: 0
                    Date: 2022.05.09
                    Time: 00:26:23


-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 8P0-907-279-23-H.lbl
   Part No SW: 8P0 907 279 H    HW: 8P0 907 279 H
   Component: Bordnetz-SG     H46 1802
   Revision: 00H46000    Serial number: 00000007051043
   Coding: F1041E83C0141C0003180000180000000028EE075A250802
   Shop #: WSC 01236 785 00200
   VCID: 42DD471E688C9B3B99B-8016

   Subsystem 1 - Part No: 8J1 955 119   Labels: 1KX-955-119.CLB
   Component: Wischer AU354   H07 0060
   Coding: 00064784
   Shop #: WSC 01236

   Subsystem 2 - Part No: 4E0 910 557 A  Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH13 0090
   Coding: 00149804
   Shop #: WSC 01236

1 Fault Found:
02498 - Left Low Beam Reflector Motor (V294)
            012 - Electrical Fault in Circuit
             Freeze Frame:
                    Fault Status: 01111100
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 77
                    Mileage: 140192 km
                    Time Indication: 0
                    Date: 2019.06.28
                    Time: 12:01:00

             Freeze Frame:
                        ON
                    Voltage: 14.00 V
                        OFF
                        ON
                        OFF
                        OFF
                        OFF


-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 8J0-959-655.lbl
   Part No SW: 8J0 959 655     HW: 8J0 959 655
   Component: -F Airbag 9.43  H02 0020
   Revision: 93H02002    Serial number: 0036K001CDNZ
   Coding: 0011590
   Shop #: WSC 01236 785 00200
   VCID: 79AFE0F245DA18E3881-802C

   Subsystem 1 - Part No: 8J0 910 339 A
   Component: BF-Gewichtsens. H02 0030

   Subsystem 2 - Serial number: 00HEQ        

   Subsystem 3 - Serial number: 0001.01.0000H0200000000000ÿ†63

   Subsystem 4 - Serial number: 000000ÿ†6332DRB404F885A2Zÿ†63

   Subsystem 5 - Serial number: 885A2Zÿ†6342DRB40510490EHÿ†63

   Subsystem 6 - Serial number: 0490EHÿ†63747RB402338650Aÿ†63

   Subsystem 7 - Serial number: 38650Aÿ†63847RB402338722Bÿ

   Subsystem 8 - Serial number: 38722Bÿ

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 8P0-953-549-F.lbl
   Part No SW: 8P0 953 549 F    HW: 8P0 953 549 F
   Component: J0527           H36 0070
   Coding: 0013141
   Shop #: WSC 01236 785 00200
   VCID: 41DF48126D8A8023801-8014

   Subsystem 1 - Part No: XXXXXXXXXXX
   Component: E0221           H06 0030

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 8J0-920-xxx-17-MY7.lbl
   Part No SW: 8J0 920 990 C    HW: 8J0 920 990 C
   Component: KOMBIINSTR. VDO H21 0070
   Revision: D0H21004    Serial number: 2244G004003096
   Coding: 0049268
   Shop #: WSC 07470 067 57207
   VCID: 323D17DED82C2BBB09B-8066

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V2.clb
   Part No SW: 1K0 907 530 K    HW: 1K0 907 951
   Component: J533__Gateway   H12 0170
   Revision:   H12       Serial number: 33001074270A8C
   Coding: FF8F23CA07005100
   Shop #: WSC 01236 785 00200
   VCID: 2F3B1EAACB1E0653665-807A

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD        Labels: 1K0-907-554.lbl
   Part No: 1K0 907 554 L
   Component: Haldex 4Motion      0116
   Coding: 0000001
   Shop #: WSC 00000 000 00000
   VCID: 36352BCE3444379B253-8062

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No SW: 8J0 920 990 C    HW: 8J0 920 990 C
   Component: KOMBIINSTR. VDO H21 0070
   Revision: D0H21004    Serial number: AUX7Z0G4FNA03D
   Shop #: WSC 00000 000 00000
   VCID: 323D17DED82C2BBB09B-8066

No fault code found.

-------------------------------------------------------------------------------
Address 26: Auto Roof        Labels: 8J7-959-255.lbl
   Part No: 8J7 959 255 B
   Component: 256 VSG TT      H13 0110
   Shop #: WSC 00000 000 00000
   VCID: 3E2533EE1C74FFDBFD3-806A

2 Faults Found:
02000 - Switch Position
            008 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 3
                    Mileage: 151801 km
                    Time Indication: 0
                    Date: 2020.07.24
                    Time: 21:11:10

03247 - Sensor for Canopy Flap; Right (G597)
            008 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 3
                    Mileage: 151801 km
                    Time Indication: 0
                    Date: 2020.07.24
                    Time: 21:11:10


-------------------------------------------------------------------------------
Address 37: Navigation        Labels: 8E0-035-192-RNSE.clb
   Part No SW: 8J0 035 192 B    HW: 8J0 035 192 B
   Component: RNS-E US3       H10 0150
   Revision:      01S    Serial number: AUZBZ7G3801110
   Coding: 0610617
   Shop #: WSC 01236 785 00200
   VCID: 2809F5B6EEF0516BA7F-807C

1 Fault Found:
02446 - Disk Drive Mechanical Malfunction
            003 - Mechanical Failure - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 5
                    Fault Frequency: 10
                    Reset counter: 223
                    Mileage: 152782 km
                    Time Indication: 0
                    Date: 2020.09.11
                    Time: 21:02:22


-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 8P0-959-801-MAX1.lbl
   Part No: 8J7 959 801 C
   Component: Tuer-SG         H02 0060
   Coding: 0001077
   Shop #: WSC 01236 785 00200
   VCID: 3C2139E60A68EDCBD37-8068

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
   Part No: 8J1 909 143 B
   Component: EPS_ZFLS Kl.155 H07 1807
   Shop #: WSC 01236 785 00200
   VCID: 2F3B1EAACB1E0653665-807A

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 8J0-959-433.lbl
   Part No: 8J0 959 433 A
   Component:    KSG          H06 0070
   Coding: 1B9032824138093F0F0FC88A0433
   Shop #: WSC 25167 444 84593
   VCID: 343111C62238258B1B7-8060

   Subsystem 1 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HORN H03 1301

   Subsystem 2 - Component:       NGS n.mounted    

   Subsystem 3 - Component:      IRUE n.mounted    

1 Fault Found:
00956 - Key 2
            005 - No or Incorrect Basic Setting / Adaptation - Intermittent

-------------------------------------------------------------------------------
Address 47: Sound System        Labels: 8J0-035-223.lbl
   Part No SW: 8J0 035 223 B    HW: 8J0 035 223 B
   Component: J525 Amp Std    H03 0120
   Revision: 00H03001    Serial number: 93802002219906
   Coding: 0206136
   Shop #: WSC 01236 785 00200
   VCID: 2313E29A97D6B233F2D-8076

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 8P0-959-802-MAX1.lbl
   Part No: 8J7 959 802 C
   Component: Tuer-SG         H02 0060
   Coding: 0001077
   Shop #: WSC 01236 785 00200
   VCID: 3D2734E21172E4C3E49-8068

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 4F0-910-357.lbl
   Part No SW: 4F0 910 357 F    HW: 4F0 907 357 F
   Component: AFS 1           H01 0020
   Revision: 00000001    Serial number:              
   Coding: 0000024
   Shop #: WSC 01236 785 00200
   VCID: 290FF0B2F5FA6863B81-807C

   Subsystem 1 - Part No: 8E0 941 329 A
   Component: AFS-Modul links H04 0020

   Subsystem 2 - Part No: 8E0 941 329 A
   Component: AFS-Modul rechtsH04 0020

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 8E0-035-192-RNSE.clb
   Part No SW: 8J0 035 192 B    HW: 8J0 035 192 B
   Component: RNS-E US3       H10 0150
   Revision:      01S    Serial number: AUZBZ7G3801110
   Coding: 0610617
   Shop #: WSC 01236 785 00200
   VCID: 2809F5B6EEF0516BA7F-807C

1 Fault Found:
02446 - Disk Drive Mechanical Malfunction
            003 - Mechanical Failure - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 5
                    Fault Frequency: 10
                    Reset counter: 223
                    Mileage: 152782 km
                    Time Indication: 0
                    Date: 2020.09.11
                    Time: 21:02:22


-------------------------------------------------------------------------------
Address 65: Tire Pressure        Labels: 8J0-907-273.lbl
   Part No SW: 8J0 907 273 A    HW: 8J0 907 273 A
   Component: J502_RDK        H02 0300
   Revision: --H02-D0    Serial number: 12679770503286
   Coding: 0840019
   Shop #: WSC 01236 785 00200
   VCID: 2F3B1EAACB1E0653665-807A

No fault code found.

-------------------------------------------------------------------------------
Address 77: Telephone        Labels: 8P0-862-335.lbl
   Part No SW: 8P0 862 335 J    HW: 8P0 862 335 J
   Component: FSE_255x BT     H26 0290
   Revision: 00000000    Serial number: 00000005026658
   Coding: 0011407
   Shop #: WSC 01236 785 00200
   VCID: 3D2734E21172E4C3E49-8068

No fault code found.

End----(Elapsed Time: 01:28, VBatt start/end: 12.0V/12.0V. VIgn 0.0V)------

Code:
Thursday,16,June,2022,15:35:26:13474
VCDS Release 22.3.1 (x64):  Generic OBD2
Mode 01 - PID 01 : Readiness  --  Address 7E8

Number of DTCs stored: 1  --  MIL Status: MIL ON
Misfire monitoring:  Passed
Fuel System:  Passed
Comprehensive Components:  Passed
Catalyst monitoring:  Passed
Heated catalyst monitoring: Not installed.
Evaporative system monitoring:  Failed or Incomplete
Secondary air system monitoring:  Failed or Incomplete
A/C system refrigerant monitoring: Not installed.
Oxygen sensor monitoring:  Passed
Oxygen sensor heater monitoring:  Passed
Exhaust Gas Recirculation: Not installed.

Thursday,16,June,2022,15:34:46:13474
VCDS Release 22.3.1 (x64):  Generic OBD2
Freeze Frame Data for address 7E8
    PID02 DTC that caused freeze frame data storage: P2181
    PID03 Fuel system 1/2 status: Closed loop, using O2 sensors
              ... Open loop, due to system fault detected
    PID04 Calculated load value: 54.1 %
    PID05 Engine coolant temperature: 72 °C
    PID06 Short Term Trim - Bank 1: 1.6 %
    PID07 Long Term Trim - Bank 1: -2.3 %
    PID08 Short Term Trim - Bank 2: 0.0 %
    PID09 Long Term Trim - Bank 2: 0.0 %
    PID0C Engine RPM: 1508 /min
    PID0D Vehicle speed: 60 km/h
    PID0E Ignition timing advance for cyl #1: 24.5 Degrees
    PID0F Intake air temperature: 39 °C
    PID10 Mass Air Flow: 20.47 g/s
    PID11 Absolute Throttle Position: 18.4 %
    PID12 Secondary Air Status: Atmosphere/off
    PID1F Time since engine start: 576 s

Thursday,16,June,2022,15:34:10:13474
VCDS Release 22.3.1 (x64):  Generic OBD2
Mode 03: Emission related fault codes

Address 7E8: 1 Fault Found:
P2181 - Performance Malfunction in Cooling System

Address 7E9: No fault code found.

Thursday,16,June,2022,15:33:32:13474
VCDS Release 22.3.1 (x64):  Generic OBD2
Mode 07: Pending emission related fault codes

Address 7E8: 1 Fault Found:
P0491 - Secondary Air Injection System: Bank 1: Insufficient Flow

Address 7E9: No fault code found.

Thursday,16,June,2022,15:32:09:13474
VCDS Release 22.3.1 (x64):  Generic OBD2
Mode 9 : Calibration Identification

Type 02 - VIN : TRURD38J781003564 (Address E8)
Type 04 - Calibration ID : 022906032HG 1166 (Address E8)
Type 06 - Calibration Verification Number : C14146EF (Address E8)
Type 06 - Calibration Verification Number : 00001FF4 (Address E9)
Type 08 - In-use performance tracking :
    OBD Monitoring Conditions Encountered count : 5509
    Ignition cycle count : 20537
    Conditions completion count / Specified conditions encountered count
         Catalyst monitor bank 1 : 5270 / 5238
         Catalyst monitor bank 2 : 4838 / 5060
         O2 Sensor monitor bank 1 : 4377 / 5509
         O2 Sensor monitor bank 2 : 4321 / 5493
         EGR-VVT monitor : 14375 / 5509
         AIR monitor : 2484 / 1310
         EVAP monitor : 1634 / 808
Type 0A - Controller Name : ECM-Engine Control (Address E8)
 
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   #2  

Jef

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I would suggest to get the latest and greatest coolant temp sensor from the dealer first.

Live data for coolant temp will be found in 01-08-001.2
Instrument cluster will have coolant data as well in 17-08-003.1

There looks to be a firmware update for the ECM. You currently have 022 906 032 HG @ 1166 (firmware version). The firmware update should be at 1317. I do not find info on what the firmware update is for. Any firmware updates will be done via the dealer.

For the P0491 fault code, first verify the SAI pump is running. Start the engine and let idle for +5 seconds. Then key on / engine off. Connected to ECM and go to function 03 for Output Test. One of those test will operate the J299 relay for SAI pump... verify the pump does pulse on/off when this is running.
 
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EuroX

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Cooling system performance has always always been a faulty thermostat in these cars. I would recommend replacing thermostat. Then I would look why its running lean. Most likely vacuum leak.
 
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SwissJetPilot

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For your convertible top Roof Flap Servos (RFS) Fault under Address 26 (03247 - Sensor for Canopy Flap; Right (G597) I would recommend you follow this link to our forum and then use the VCDS to perform the roof flap Adaptation.

Audi will encourage you to replace one or both of the RFS which may or may not solve the problem. The problem is usually caused by excess grease that migrates from the internal gears onto the circuit board thus triggering an implausible signal fault. It's a pretty easy DIY and many Roadster owners have done it with good success.


Any time you run your very first fault diagnostic, always run a full scan then clear all the faults. Many of these might be old faults that were never cleared in the past and are no longer relevant. Take the car out for a spin (10 minutes is enough to get it warmed up) and run another fault scan. Any faults that come up this time need to be addressed.

save-jpg.390081
 
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SwissJetPilot

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For the 3.2 VR6 BUB engine, if you have a vacuum leak originating from the back of the valve cover, on the back of the "hump" behind the oil cap, you may hear a tea kettle whistle from the little hole back there. If that's the case your PCV diaphragm has failed as is leaking.

Unfortunately, Audi doesn't have a repair kit. Instead, they will happily sell you a brand new valve cover for around $500. Now there are after market diaphragms available, but you will have to pull the valve cover to get to it which is a major PITA.

An alternative method is to remove the OEM breather tube, replace it with a breather tube from a VW Touareg and then block the vent hole in the valve cover with an M4 screw. When the time comes to remove the valve cover; (e.g. timing chain, tensioner replacement, etc.) then you can replace the OEM diaphragm if you want to.

You can read more about it here -


pcv-venthole-jpg.444893
 
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