Do these values seem okay in the VAG-COM log file (3B)?

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  • iMac
    S2Forum Hobbyist
    • May 2005
    • 15

    #1

    Do these values seem okay in the VAG-COM log file (3B)?

    I still haven’t fixed the problem with the engine (3B), some times I have fault code 2231 and the sparks plugs are fouled (black). I did a log file from the ECU unit and don’t see any direct faults!? Some else has any comment on the logged data?

    Tool to see data from the log file:


    Somebody else ho has logged ECU data from a 3B (S2-91) that can compare?
    Attached Files
    S2 -91
  • S2central.net
    Retired OG Mod
    • Jul 2003
    • 16590
    • Country: Northern Ireland

    #2
    I'll look up the 3B books tonight. Don't think the info you need is on s2central.net yet. Actually didn't know you could log Group 0 - it has never worked for me before. Maybe your VAG-COM is newer than mine.


    Paul
    Paul Nugent
    Webmaster http://S2central.net
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    1994 S2 Coupe ABY - aka Project Lazarus
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    • iMac
      S2Forum Hobbyist
      • May 2005
      • 15

      #3
      Originally posted by S2central.net
      I'll look up the 3B books tonight. Don't think the info you need is on s2central.net yet. Actually didn't know you could log Group 0 - it has never worked for me before. Maybe your VAG-COM is newer than mine.


      Paul
      Did the log file correspond to the values in the 3B books?

      I use VAG-COM release 311-2 to do this log.
      S2 -91

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      • dkw_dude
        S2Forum Maniac
        • Jul 2003
        • 555
        • Country: Norway

        #4
        More loggings..

        Also from -91 3B. I'm no expert, but the data from your log looks ok I think.
        I'm trying to find out why my car is not running right, have even installed WB lambda (WBo2).
        Something is not right, at idle the lambda value creeps from ~13 to ~14,7 in 5-10 secs, it then goes down to ~13 in less than 1 sec. Steady cruising gives values fluctuating around 14,7 - the cycle is then less than 1 sec which is ok I think. At WOT A/F ratio is ~11, a little low maybe?
        Attached Files
        Leif-Helge
        -91 S2 VEMS and Comp Turbo
        -12 B** 530XD Touring "S2 parts transporter, and daily driver"

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        • iMac
          S2Forum Hobbyist
          • May 2005
          • 15

          #5
          Originally posted by dkw_dude
          Also from -91 3B. I'm no expert, but the data from your log looks ok I think.
          I'm trying to find out why my car is not running right, have even installed WB lambda (WBo2).
          Something is not right, at idle the lambda value creeps from ~13 to ~14,7 in 5-10 secs, it then goes down to ~13 in less than 1 sec. Steady cruising gives values fluctuating around 14,7 - the cycle is then less than 1 sec which is ok I think. At WOT A/F ratio is ~11, a little low maybe?
          Thanx for the Log!

          There are some values that differs a bit and its for the IAC. The thing is that I have capture then the engien start to missfire, see the Log file. And its the blocks 04-07 IAC there things happend (or not). Block 05 "IAC curve zero point" seem ok then starting but after a while the value start to decrease and stops at 8 (stop the log to early..) and that is way out of normal. Turn of the engien and start again its ok fort some min and then it start to deacrease. I have done the output test of the IAC and its ok. I har clean it. Tried with a other one from a SAAB 9000 without any change.. So anyone that can tell me what the block 05s inputs and out put is (what affect it..)? Or can tip me were to read more about this?

          About your car, how does the spark plugs look like?
          Attached Files
          S2 -91

          Comment

          • dkw_dude
            S2Forum Maniac
            • Jul 2003
            • 555
            • Country: Norway

            #6
            Plugs have light grey to white center electrode and tip. The rest of it is quite dark, but seems clean too, very little soot.
            Leif-Helge
            -91 S2 VEMS and Comp Turbo
            -12 B** 530XD Touring "S2 parts transporter, and daily driver"

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