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Thread: 2007 jetta wolfs 5mt us/nar - slow/delayed rpm drop when shifting or coasting

  1. #1
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    2007 jetta wolfs 5mt us/nar - slow/delayed rpm drop when shifting or coasting

    This is for now just a general question, my sister bought this car new, so it has been in the family since then.

    As far as I remember, the car has always done this, so I simply accepted as normal behavior.

    It is not really a problem, it's just always been more a curiosity and less a minor annoyance.

    Anyway, 2.5L 5MT with lots of miles.

    When shifting, or even revving up the engine a bit, then letting of of the throttle, the engine seems to have a slight delay in dropping RPM's.

    Its only like half a second or so, and I always assumed it was some kind of shift assist, to keep the rpms from dropping too fast while shift.

    But its also quite noticeable when coasting. The car will coast for that half second or so, before the engine breaking starts to occur and you can feel the engine drag slow the vehicle.


    My main question, is this considered normal behavior, or a symptom of something not quite right but not throwing any errors, like throttle body alignment, weak throttle return spring, or some other related throttle/rpm situation?

    Secondary question, if it is normal, is there a way to disable that functionality (either vcds or some other physical modification) ?

    I know, autoscan;


    Code:
    Wednesday,12,September,2018,20:27:11:03587
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x86
    VCDS Version: 18.2.1.2  HEX-NET CB: 0.4411.4
    Data version: 20180518 DS287.1
    www.Ross-Tech.com
    
    
    VIN: 3VWEF71K87M169975   License Plate: 
    
    
    Chassis Type: 1K (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 52 56 62 65 72
    
    VIN: 3VWEF71K87M169975   Mileage: 294090km-182739miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- 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
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: Malfunction 0010
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    52-Door Elect, Pass. -- Status: Malfunction 0010
    56-Radio -- Status: Malfunction 0010
    62-Door, Rear Left -- Status: OK 0000
    65-Tire Pressure -- Status: Not registered 0011
    72-Door, Rear Right -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 06A-906-032-BGP.lbl
       Part No SW: 07K 906 032 T    HW: 07K 906 032 Q
       Component: 2.5l R5/4V      G   9653  
       Revision: --H01---    Serial number: VWZ7Z0G9063400
       Coding: 0000001
       Shop #: WSC 00066 000 00000
       VCID: 3A38F72975519A9429-806E
    
    No fault code found.
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
       Part No SW: 1K0 907 379 AC    HW: 1K0 907 379 AC
       Component: ESP FRONT MK60      0101  
       Revision: 00H11001    
       Coding: 0021122
       Shop #: WSC 00066 000 00000
       VCID: 73A61A0D12BB2BDC2A-8026
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
       Part No SW: 1K0 820 047 JT    HW: 1K0 820 047 JT
       Component: Climatic PQ35   143 1515  
       Revision: 00143034    Serial number: 00000000000000
       Shop #: WSC 00000 000 00000
       VCID: 7F4EC63D2EF37FBC5E-802A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 3C0-937-049-23-M.lbl
       Part No SW: 3C0 937 049 AD    HW: 3C0 937 049 AD
       Component: Bordnetz-SG     H52 2002  
       Revision: 00H52000    Serial number: 00000000611882
       Coding: A4058E234004150007140000001400000009730B5C0000
       Shop #: WSC 00000 000 00000
       VCID: 6B96026D4A8BF31CE2-803E
    
       Subsystem 1 - Part No: 1K1 955 119 E  Labels: 1KX-955-119.CLB
       Component: Wischer 210407 020  0501  
       Coding: 00000005
       Shop #: WSC 00000  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 1K0-909-605.lbl
       Part No SW: 1K0 909 605 AB    HW: 1K0 909 605 AB
       Component: 6A AIRBAG VW8R  034 8000  
       Revision: 05034000    Serial number: 003B6M01GN0$  
       Coding: 0013889
       Shop #: WSC 00066 000 00000
       VCID: 6C9401714F85F424EB-8038
    
       Subsystem 1 - Part No: 1K0 959 339 F
       Component: BF-Gewichtsens. 007 0005
    
       Subsystem 2 - Serial number: 6332MSME16766E22F
    
       Subsystem 3 - Serial number: 6342MSME10441C04+
    
       Subsystem 4 - Serial number: 6351HSME0D0A4023%
    
       Subsystem 5 - Serial number: 6361HSME0D11112D0
    
       Subsystem 6 - Serial number: 63727SME0C285B457
    
       Subsystem 7 - Serial number: 63827SME0C561761%
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
       Part No SW: 1K0 953 549 AP    HW: 1K0 953 549 AP
       Component: Lenksäulenmodul 036 0070  
       Coding: 0000021
       Shop #: WSC 00066 000 00000
       VCID: 004C45C1530D004427-8054
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
       Part No SW: 1K0 920 953 P    HW: 1K0 920 953 P
       Component: KOMBIINSTRUMENT 3HL 1610  
       Revision: V0003000    Serial number: VWZ7Z0G9063400
       Coding: 0021407
       Shop #: WSC 00066 000 00000
       VCID: 383CED214B5D8884DF-806C
    
    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   H04 0021  
       Revision:   H04 02    Serial number: 230307F1001947
       Coding: 3D3F034007001002
       Shop #: WSC 00066 000 00000
       VCID: 2F2ED67DBE134F3C8E-807A
    
    1 Fault Found:
    01044 - Control Module Incorrectly Coded 
                000 -  - 
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 1
                        Fault Frequency: 254
                        Reset counter: 255
                        Mileage: 285387 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 14:01:42
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 1K0 920 953 P    HW: 1K0 920 953 P
       Component: IMMO            3HL 1610  
       Revision: V0003000    Serial number: VWZ7Z0G9063400
       Shop #: WSC 00000 000 00000
       VCID: 383CED214B5D8884DF-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
       Part No SW: 1K0 959 701 P    HW: 1K0 959 793 L
       Component: J386  TUER-SG FT    1133  
       Revision: 32008001    Serial number: 00000538578330
       Coding: 0001205
       Shop #: WSC 00066 000 00000
       VCID: 3B36F22D7A6BA39C32-806E
    
    2 Faults Found:
    01552 - Motor for Central Locking; Drivers Door (V56); Lock 
                012 - Electrical Fault in Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101100
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 226
                        Mileage: 219133 km
                        Time Indication: 0
    
    00928 - Locking Module for Central Locking; Front Driver Side (F220) 
                008 - Implausible Signal - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 226
                        Mileage: 219139 km
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
       Part No: 1K1 909 144 L
       Component: EPS_ZFLS Kl.069 H07 1806  
       Shop #: WSC 00066 000 00000
       VCID: 3424D91157356CE4F3-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
       Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
       Component:    KSG PQ35 RDK 052 0218  
       Revision: 00052000    Serial number: 00000000000000
       Coding: 13900F880186083F3904058FB0880F0488DCA0
       Shop #: WSC 00066 123 12345
       VCID: 044449D147151C6403-8050
    
       Subsystem 1 - Component:   Sounder n.mounted     
    
       Subsystem 2 - Component:       NGS n.mounted     
    
       Subsystem 3 - Component:      IRUE n.mounted     
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 1K0 959 702 P    HW: 1K0 959 792 L
       Component: J387  TUER-SG BT    1133  
       Revision: 32008001    Serial number: 00000025878327
       Coding: 0001204
       Shop #: WSC 00066 000 00000
       VCID: 3C34F1317F65A4A43B-8068
    
    3 Faults Found:
    01553 - Motor for Central Locking; Passenger Door (V57); Lock 
                012 - Electrical Fault in Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101100
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 226
                        Mileage: 0 km
                        Time Indication: 0
    
    00929 - Locking Module for Central Locking; Front Passenger Side (F221) 
                008 - Implausible Signal
                 Freeze Frame:
                        Fault Status: 01111000
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 186
                        Mileage: 230159 km
                        Time Indication: 0
    
    00110 - Right Mirror Turn Signal Lamp (L132) 
                012 - Electrical Fault in Circuit
                 Freeze Frame:
                        Fault Status: 01101100
                        Fault Priority: 5
                        Fault Frequency: 254
                        Reset counter: 186
                        Mileage: 202033 km
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 1K0-035-161.lbl
       Part No SW: 1K0 035 161 D    HW: 1K0 035 161 D
       Component: Radio DE2       020 0023  
       Revision: 00020000    Serial number: VWZ4Z7K6494339
       Coding: 0010401
       Shop #: WSC 24171 444 04877
       VCID: 200C2541F3CDE04407-8074
    
    1 Fault Found:
    00856 - Radio Antenna 
                011 - Open Circuit
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels:. 1K0-959-703-GEN3.clb
       Part No SW: 1K0 959 703 Q    HW: 1K0 959 795 J
       Component: J388   TUER-SG HL   1120  
       Revision: 12006001    Serial number: 00000001316425
       Coding: 0001168
       Shop #: WSC 00066 000 00000
       VCID: 3E30FB396979B6B415-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 65: Tire Pressure        Labels: 3C0-959-433-65.lbl
       Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
       Component:    RDK              0440  
       Revision: 00052000    Serial number: 00000000000000
       Coding: 0100101
       Shop #: WSC 00066 000 00000
       VCID: 044449D147151C6403-8050
    
    1 Fault Found:
    01521 - Sensor for Tire Pressure 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01110100
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 252
                        Mileage: 257601 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 19:00:07
    
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels:. 1K0-959-704-GEN3.clb
       Part No SW: 1K0 959 704 Q    HW: 1K0 959 794 J
       Component: J389   TUER-SG HR   1120  
       Revision: 12006001    Serial number: 00000001303467
       Coding: 0001168
       Shop #: WSC 00066 000 00000
       VCID: 3FCE863D6E73BFBC1E-806A
    
    No fault code found.
    
    End----------(Elapsed Time: 01:23, VBatt start/end: 14.0V/14.2V)-----------

  2. #2
    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by D-Dub View Post
    When shifting, or even revving up the engine a bit, then letting of of the throttle, the engine seems to have a slight delay in dropping RPM's.
    I've experienced this on many cars, and have always been told it's a deliberate "feature" in the engine management to reduce emissions as well as helping shifts.

    I would class this as normal behaviour, if slightly annoying.

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  4. #3
    Ross-Tech Employee DrPeter's Avatar
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    Quote Originally Posted by PetrolDave View Post
    I've experienced this on many cars, and have always been told it's a deliberate "feature" in the engine management to reduce emissions as well as helping shifts.

    I would class this as normal behaviour, if slightly annoying.


    I have heard and felt the same thing too, and I agree, it is annoying.

    Also there is appears to be a similar 'emissions reducing' strategy when decelerating, the ECM holds the throttle plate open a little, I would imagine to reduce any hydrocarbons and to lower manifold vacuum.

    Agree, it is annoying.

    drpeter
    Last edited by DrPeter; 09-14-2018 at 09:58 AM. Reason: Grammar

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  6. #4
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    ok, at least that seems to makes the car not broken (in that regard anyway lol), and I'm not alone, or crazy, for noticing and not liking it.

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  8. #5
    NostraJackAss Jack@European_Parts's Avatar
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    VC PCV leaking into intake?................
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  9. #6
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    Hi Jack, thanks for the input!

    This particular behavior on this vehicle has been around since before I can remember. It was my sisters, and I bought it a few years ago.

    It's not my primary vehicle, but I try to drive it at least once a week (4-6 times a month).

    The valve cover/pcv was replaced earlier this year actually, I had to get it done to pass inspection (CEL).

    So, unless it was messed up before, and since the valve cover/pcv replacement, then I would hope that is not it still causing a problem.

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