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  1. #1
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    s3 boost leak?? vag com log?? help please

    hi all i think ive got a boost leak on my s3 8l, i did a vag com log yesturday, im unsure if ive done the log correct, and im unsure how to read the logs propley to find out if ive got a boost leak?, i started the car logged block 032 and reved the car untill it hit 3000rpm is this correct?, my s3 seems to have very little boost even with a new turbo, it has no fault codes showning with a scan, hear is the log any advice ? thanks in advance.
    Sunday 28 April 2013 14:02:35:10462 VCDS Version: Release 11.11.5 Data version: 20121222
    8N0 906 018 ADVMB 1.8L R4 5VT 0003
    G003 F1 G000 F0 G000 F0 G000
    Marker TIME Group 3 - Field 1
    STAMP Mass Air Flow - Sensor (G70)
    g/s
    0.01 9.83
    0.31 9.61
    0.61 9.78
    0.91 9.69
    1.21 9.94
    1.51 9.92
    1.81 9.53
    2.1 9.67
    2.42 9.42
    2.7 9.67
    3 9.08
    3.31 9.75
    3.6 9.72
    3.9 8.97
    4.2 9.31
    4.51 8.97
    4.8 9.25
    5.11 9.19
    5.4 8.83
    5.7 9.39
    6 9.17
    6.3 8.58
    6.6 8.81
    6.9 8.72
    7.2 8.72
    7.5 8.75
    7.8 9.58
    8.1 9.28
    8.4 9.42
    8.7 9.33
    9 9.92
    9.31 9.64
    9.6 9.75
    9.9 10.03
    10.2 8.33
    10.5 8.08
    10.8 8.03
    11.1 8.58
    11.4 8.67
    11.7 8.03
    12 8.56
    12.3 8.67
    12.6 8.56
    12.9 8.53
    13.2 8.61
    13.5 8.67
    13.8 8.47
    14.1 8.58
    14.4 8.28
    14.7 8.56
    15 11.69
    15.3 10.36
    15.6 8.14
    15.9 8.31
    16.2 7.78
    16.5 10.72
    16.8 10.06
    17.1 9.92
    17.4 9.83
    17.7 7.94
    18 8.36
    18.29 9.33
    18.6 9.08
    18.9 9.31
    19.2 9.33
    19.5 9.36
    19.8 9.58
    20.09 9.61
    20.4 9.39
    20.7 9.53
    21 9.44
    21.3 9.67
    21.6 9.53
    21.89 9.56

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  3. #2
    <tuffty/>'s Avatar
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    Sorry dude... all that is meaningless...

    you need to log block 115 at least to see what boost is doing... some info on your car (year, engine code, any mods etc) would help...

    Basic loging info is in the FAQ's in the stickies...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

  4. #3
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    Quote Originally Posted by <tuffty/> View Post
    Sorry dude... all that is meaningless...

    you need to log block 115 at least to see what boost is doing... some info on your car (year, engine code, any mods etc) would help...

    Basic loging info is in the FAQ's in the stickies...

    <tuffty/>
    hi thanks for reply, sorry its a 1999 audi s3 210bhp and think its amk engine code, will i need to be driving the car when i log block 115 ? is there any other blocks i should be loging to check for boost leak? ive check block 032 and short term was -0.2 and long term was 1.6, i reset fault codes and the both returned to 0.0, thanks again Monday,29,April,2013,15:25:11:10462
    VCDS Version: Release 11.11.5
    Data version: 20121222

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

    Address 01: Engine ()
    15:23:57 Group 032: Lambda Control (Mixture Adaptation)
    -0.2 % Adaptation (Idle) Bank 1 Sensor 1
    1.6 % Adaptation (Partial) Bank 1 Sensor 1
    Bin. Bits
    Bin. Bits
    Monday,29,April,2013,15:28:28:10462
    VCDS Version: Release 11.11.5
    Data version: 20121222

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

    Address 01: Engine (8N0 906 018 )
    15:28:19 Group 032: Lambda Control (Mixture Adaptation)
    -0.2 % Adaptation (Idle) Bank 1 Sensor 1
    1.6 % Adaptation (Partial) Bank 1 Sensor 1
    Bin. Bits
    Bin. Bits
    Monday,29,April,2013,15:41:45:10462
    VCDS Version: Release 11.11.5
    Data version: 20121222

    Address 01: Engine (8N0 906 018 )
    15:41:37 Group 001: General
    840 /min Engine Speed (G28)
    87.0°C Coolant Temperature (G62)
    1.6 % Lambda Control Bank 1
    11111111 Basic Setting Requirements
    15:41:37 Group 031: Lambda Control (Lambda Sensor Voltages)
    0.545 V Lambda Control Bank 1 (actual)
    Bin. Bits
    Bin. Bits
    Bin. Bits
    15:41:37 Group 032: Lambda Control (Mixture Adaptation)
    0.0 % Adaptation (Idle) Bank 1 Sensor 1
    0.0 % Adaptation (Partial) Bank 1 Sensor 1
    Bin. Bits
    Bin. Bits

  5. #4
    <tuffty/>'s Avatar
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    A 1999 S3 is gonna be an APY... if it was an AMK it would be '8N0 906 018J' for the ECU code...

    Yes... you need to drive the car to log it... info is in the stickies including links to Ross Techs fault code wiki and engine logging block definitions...

    There is info on how to do a logging run and how to post meaningful data too...

    <tuffty/>
    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...

 

 

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