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Author Topic: Fluctuating revs at idle & fault codes  (Read 910 times)

Offline mouldb

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Fluctuating revs at idle & fault codes
« on: September 02, 2020, 04:26:39 pm »
My GTI is drinking oil & I have some persistent fault codes which re appear after clearing.
I would be grateful for any advice you may be able to give based on your experience of similar faults

Thanks in advance.
I have scanned & uploaded..

Wednesday,02,September,2020,15:53:31:01249
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 15.7.1.0
Data version: 20150904
www.Ross-Tech.com


VIN: WVWZZZ1KZ7W059905   License Plate: V10ULD
Mileage: 148100km-92025mi   Repair Order:



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


Chassis Type: 1K (7N0)
Scan: 01 03 08 09 15 16 17 19 25 37 42 44 46 52 56 62 72

VIN: WVWZZZ1KZ7W059905   Mileage: 148100km-92025miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
25-Immobilizer -- Status: OK 0000
37-Navigation -- Status: Not registered 0011
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: Malfunction 0010
 
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06F-907-115-AXX.lbl
   Part No SW: 1K0 907 115 J    HW: 8P0 907 115 B
   Component: 2.0l R4/4V TFSI     0030 
   Revision: --H14---    Serial number: VWZ7Z0F8097584
   Coding: 0403000318070160
   Shop #: WSC 00791 210 87297
   VCID: 2D56C5FFB415DF56C6-8078

5 Faults Found:
004243 - Bank 1; Fuel Measuring System 2
               P1093 - 008 - Malfunction - Intermittent
             Freeze Frame:
                    Fault Status: 00101000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 148093 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:26:31

             Freeze Frame:
                    RPM: 1400 /min
                    Load: 12.9 %
                    Speed: 38.0 km/h
                    Temperature: 88.0°C
                    Temperature: 44.0°C
                    Absolute Pres.: 1000.0 mbar
                    Voltage: 13.970 V

005699 - Please check DTC Memory of Electric Load Controller
               P1643 - 001 -  - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 148093 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:26:41

             Freeze Frame:
                    RPM: 751 /min
                    Load: 22.3 %
                    Speed: 0.0 km/h
                    Temperature: 88.0°C
                    Temperature: 46.0°C
                    Absolute Pres.: 1000.0 mbar
                    Voltage: 13.589 V

008825 - Leak in Air Intake System
               P2279 - 002 -
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 148098 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:35:31

             Freeze Frame:
                    RPM: 803 /min
                    Load: 14.9 %
                    Speed: 0.0 km/h
                    Temperature: 90.0°C
                    Temperature: 48.0°C
                    Absolute Pres.: 1000.0 mbar
                    Voltage: 13.970 V

001287 - Idle Control System RPM
               P0507 - 001 - Higher than Expected.
             Freeze Frame:
                    Fault Status: 01100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 148102 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:41:08

             Freeze Frame:
                    RPM: 1048 /min
                    Load: 14.9 %
                    Speed: 0.0 km/h
                    Temperature: 90.0°C
                    Temperature: 44.0°C
                    Absolute Pres.: 1000.0 mbar
                    Voltage: 14.097 V

008801 - Boost Pressure Control Valve (N249)
               P2261 - 008 - Mechanical Malfunction
             Freeze Frame:
                    Fault Status: 01101000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 148102 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 15:42:46

             Freeze Frame:
                    RPM: 2971 /min
                    Load: 14.5 %
                    Speed: 41.0 km/h
                    Temperature: 92.0°C
                    Temperature: 31.0°C
                    Absolute Pres.: 1000.0 mbar
                    Voltage: 13.970 V

Readiness: 0110 0101
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Offline ROH ECHT

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Re: Fluctuating revs at idle & fault codes
« Reply #1 on: September 02, 2020, 08:10:50 pm »
Well, you have a code for an intake leak or runner flap fault. Another for fuel pressure out of spec. And one for the DV/N249 failure.

If the DV is OK, then the DV code may be related to the code for a leak in the intake system.
Most common reason for the P1093 code iis the pressure regulator on top of the HPFP is cracked. If that is OK, then it may be the Cam follower is failed or the fuel is not being delivered by the LPFP...the fuel filter can also restrict flow. It is also possible a fuel pressure sensor is failing. The P0507 can be the throttle unit, but if not...it may be a vacuum leak. Given you have the intake system leak detected...I would say begin looking for a major leak in the air inlet bits and all tubing connected to the manifold. If you find this leak, you may find it is responsible for all of the codes other then the DV.
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Offline mouldb

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Re: Fluctuating revs at idle & fault codes
« Reply #2 on: September 06, 2020, 08:28:52 am »
Thank you for your response that is most helpful I shall check it out out and post my findings
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