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  1. #1
    Andyrew_69's Avatar
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    Exclamation Audi S3 8L Engine Faults VAG-COM

    Hi just recently scanned my car and wondering what these faults below are and what may have caused them. Many thanks

    17963 - Charge Pressure: Maximum Limit Exceeded
    p1555 - 35-10 Intermittent

    16487 - Mass Air Flow Sensor (G70) Signal To High
    p0103 - 35-10 Intermittent

    18010 - Power Supply Terminal 30: Voltage too low
    p1602 - 35-10 Intermittent

    Think the Terminal 30 is because I've just fit a new battery as old one was dead. Thanks a lot

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  3. #2
    <tuffty/>'s Avatar
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    Suggests the MAF is faulty... 17963 could be the result of 16487...

    17963 is an over boost code... I would be looking to sort the MAF issue out first though... maybe log blocks 003, 115, 118...

    <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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    GROUP A - 003
    RPM MASS FLOW LOAD % IGN TIMING
    2160 36.53 91.4 22.5 68.85
    2520 57.36 97.3 18.8 69.85
    3040 68.89 100 21.8 70.96
    3440 78.86 100 23.3 72.06
    3840 87.01 100 24.8 73.16
    4240 102.19 99.6 22.5 74.26
    4680 115.97 100 21 75.26
    5080 125.58 100 22.5 76.36
    5440 133.86 100 21.8 77.36
    5760 143.17 100 22.5 78.26
    6200 147.69 100 23.3 79.26

  5. #4
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    GROUP B - 115
    RPM LOAD ABSOLUTE PRES ABSOLUTE PRESS
    2080 11.3 1010 69.25
    2240 90.2 1800 70.26
    2680 119.5 1780 71.36
    3120 118.8 1750 72.46
    3560 118 1730 73.46
    4000 120.3 1730 74.56
    4400 126.3 1730 75.66
    4800 127.1 1730 76.66
    5200 127.8 1750 77.66
    5560 128.6 1760 78.56
    5920 126.3 1720 79.65

  6. #5
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    GROUP C - 118
    RPM TEMPERATURE LOAD ABSOLUTE PRES
    2080 22 0 1060
    2360 19 84.3 1280
    2840 15 62.4 1520
    3280 12 58 1490
    3680 12 57.6 1490
    4120 11 59.2 1500
    4520 11 57.3 1520
    4920 12 59.2 1520
    5320 12 62.4 1520
    5640 12 63.1 1540
    6080 13 59.1 1540

  7. #6
    <tuffty/>'s Avatar
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    Airflow is low... should be 180gs for a std car and 200gs ish for a mapped car... seem to be missing a column in block 115... looking at these logs suggests your car is not mapped

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

  8. #7
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    Yes its just a standard S3... what would cause low air flow?? and when should it be 180ish? thanks

  9. #8
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    GROUP B - 115
    RPM LOAD ABSOLUTE PRES ABSOLUTE PRESS
    2080 11.3 1010 1060 69.25
    2240 90.2 1800 1150 70.26
    2680 119.5 1780 1510 71.36
    3120 118.8 1750 1500 72.46
    3560 118 1730 1490 73.46
    4000 120.3 1730 1490 74.56
    4400 126.3 1730 1510 75.66
    4800 127.1 1730 1530 76.66
    5200 127.8 1750 1520 77.66
    5560 128.6 1760 1540 78.56
    5920 126.3 1720 1540 79.65

  10. #9
    <tuffty/>'s Avatar
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    Yeah... looks like the MAF to me... first boost col is specified and second is actual.. you are constantly under... if it wasn't for seeing you have duty cycle on the N75 (118) then I would say its in limp mode but I reckon its the MAF... try unplugging the MAF and see if the car feels different

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

  11. #10
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    i will try that and give you an update, thanks a lot

  12. #11
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    It seems more or less the same without me doing any actual logging just going off feel. Any help? Cheers

  13. #12
    <tuffty/>'s Avatar
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    Logs suggest MAF is reading low... if you don't know when the MAF was last changed its worth doing tbh... the longest I have had one last is around 18 to 24 months...

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

  14. #13
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    In fact I'd say its more responsive with it unplugged....that would like you suggest point to MAF sensor, what sort of price are they?? It's definitely not had one in last 2 years as I've had car that long, always thought its been flat compared to my friends Seat Leon Cupra 180. Thanks

  15. #14
    <tuffty/>'s Avatar
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    Only buy a Bosch one.. that means going to a dealer, GSF or ECP...

    ECP have a 25% off code atm... not knowing what engine code your S3 is, APY is 70 ish quid and AMK/BAM is 85 ish quid plus refundable surcharge less 25%..

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

  16. #15
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    Thanks a lot for your help greatly appreciated I will look into it tomorrow.

  17. #16
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    NEW BOSCH MAF FITTED

    GROUP A - 003
    RPM MASS FLOW
    2320 58.96
    2600 63.83
    2880 70.97
    3240 77.08
    3520 83.83
    3880 93.39
    4200 104.58
    4520 120.44
    4800 128.58
    5040 137.89
    5520 147.83
    5800 152.5
    6200 158.53

  18. #17
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    I removed the BMC CDA induction kit after last run and re-logged, laptop went flat (typical) and it hasn't saved my results but I did quickly check before it died and was showing approx 180 g/s as you said it should be. My guess is old MAF not greatest condition and induction kit definitely causing further restrictions. What is the best air intake route to go??

  19. #18
    <tuffty/>'s Avatar
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    Errrgghhh... you have a BMC CDA??? bin that straight away... restrictive POS...

    As for induction... Badger 5 80mm TIP..
    80mm V3 Badger5 K04 Induction Kit-LCR/S3/TT (1.8t) With Hose Clips | eBay

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

  20. #19
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    Did have! ;-) in the boot now! Spoken to badger regarding pipe and not much point getting one as going to be running ihi turbo soon and he said wont fit properly so will have to make something custom up. On plus side found out MAF not fully efficient and BMC's are terrible! What's a good filter to get? Cheers

  21. #20
    <tuffty/>'s Avatar
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    Bill sells the heat shield and Jetex cone separately from the TIP... get those... I ran a Jetex cone for years on my GT3071...

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

  22. #21
    Andyrew_69's Avatar
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    So what tip did you use when running the GT3071?? what are you running now?? Do you know off the top of your head how much the filters are?? need to get one ASAP really.

  23. #22
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    Quote Originally Posted by <tuffty/> View Post
    Errrgghhh... you have a BMC CDA??? bin that straight away... restrictive POS...

    As for induction... Badger 5 80mm TIP..
    80mm V3 Badger5 K04 Induction Kit-LCR/S3/TT (1.8t) With Hose Clips | eBay

    <tuffty/>
    did this fit in a left side steering wheel

 

 

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