stock aan data logging

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  • pasbogdan
    S2Forum Extremist
    • Sep 2009
    • 1160
    • Country: Romania

    #1

    stock aan data logging

    I need some vag com data logging from a stock aan car.
    Each chanel will help 00 01 etc.
    I have a boost problem(only 0.8 bar).
    I can not find a leak,and on the aux gauge i can read at full throttle a 0.5 bar at 2500 rpm over 3000 a 0.9 and after that it goes down at a constant 0.8
  • Jamo
    Retired OG Mod
    • Mar 2004
    • 21750
    • Country: United Kingdom

    #2
    You need to pressure test your system for leaks, vag-com isn't that helpful for boost leaks as it can't log boost pressure.

    One thing to check is that your getting WOT visit www.s2central.net and check Pauls guides

    Comment

    • pasbogdan
      S2Forum Extremist
      • Sep 2009
      • 1160
      • Country: Romania

      #3
      i want to see if something tels ecu to low boost.
      How reacts the boost gauge in case of boost leaks?
      Mine is going up to 0.9 and fast to 0.8 and it is stabil at 0.8
      A boost leak should be a 0.8 and not more?(full throttle speaking)?

      Comment

      • Jamo
        Retired OG Mod
        • Mar 2004
        • 21750
        • Country: United Kingdom

        #4
        There's nothing in the data log really apart from if your seeing WOT on the throttle body that would indicate such thing.

        But the fact you getting over wastegate boost indicates it's more likely to be a boost leak or external issue.

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