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Thread: The importance of a good Scantool

  1. #11
    Joe (Moderator) joecar's Avatar
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    I posted this to keep updated on this topic. Thanks.

  2. #12
    Lifetime Member GMPX's Avatar
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    Quote Originally Posted by Drake
    What vehicle type are you talking about here?
    2000 Holden Commodore, PCM running 2002 Holden only program, MAFless. I hope to get a chance today to log the new spark PID's.

    Cheers,
    Ross

  3. #13
    Lifetime Member GMPX's Avatar
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    O.K, tested the 3 new Spark PID's on the car today.
    It looks like the Transmission Torque reduction is the problem.
    At least now I know. I'll go hunting thtough the Trans Torque reduction code to see why.

    Scan Spark is what the engine see's.
    Trans Spark is the amount of timing 'subtracted' via the Transmission Torque Reduction algorithim from the Base Spark value which is derived from the main timing maps.

    I hope to get these 3 new spark PID's in the next update, all of the 2002+ O.S's have been added already.

    Cheers,
    Ross
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  4. #14
    Lifetime Member Steve Bryant's Avatar
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    Ross,
    This is pretty fascinating information you've come across! 8) I'm very impressed, as it gets down to the root cause or at least points at the likely suspect. Once you've picked apart the code, let us know what you find.

    All my best,

    Steve

  5. #15
    Lifetime Member GMPX's Avatar
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    Steve,

    I spent some more time on this today but in the end I've decided just to get around the problem by disabling the TCS and Torque Control spark systems.
    Instead I plan on finishing off adding the 3 new spark PID's into EFILive before the next update.

    Cheers,
    Ross

  6. #16
    Lifetime Member GMPX's Avatar
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    UPDATE:

    4 new spark PID's will be in the next EFILive update due any day now.

    1 - Trans Torque Reduction Spark
    2 - Traction Control Spark
    3 - Brake Torque Management Spark
    4 - A/C Compensation Spark

    EFILive now has a total of 18!! spark PID's, no other scantool comes close to that number.
    We have already had many complements on how great these special PID's are (even though apparently they have never been seen before :roll: ).
    At least you guys won't be left guessing where your timing figures are coming from.
    Here's the list -

    1 - Base Spark
    2 - Coolant Temperature Spark
    3 - EGR Spark
    4 - Induction Air Temp Spark
    5 - Cat Lightoff Spark
    6 - Equivalence Ratio Spark
    7 - Driveline Smoothing Spark
    8 - Idle Control Spark
    9 - Total Torque Control Spark
    10 - Burst Knock Retard
    11 - Run Spark
    12 - Flex Fuel Spark
    13 - Cold Engine Noise Reduction Spark
    14 - Trans Torque Reduction Spark
    15 - Traction Control Spark
    16 - Brake Torque Management Spark
    17 - A/C Compensation Spark
    18 - Cranking Spark

    Unless the next update is delayed one day the 1999,2000 & 2001 cars/trucks will not be able to see the four new PID's, sorry guys, if they don't make it in this update, the next update for sure.

    Cheers,
    Ross

  7. #17
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    Quote Originally Posted by AllCammedUp
    Quote Originally Posted by GMPX
    Apparently in the next release :roll:

    Cheers,
    Ross
    Yeah, but probably only after they saw this thread....
    Just an update, it looks like they are indeed offering some more PIDs in the upgrade that just came out.

    Quote Originally Posted by GMPX
    We have already had many complements on how great these special PID's are (even though apparently they have never been seen before :roll: ).
    At first you lost me there, but then I figured it out.

    "...tapped into the heart of the PCM to deliver never before seem parameters in the area of Spark Advance and Idle Airflow. Trying to find that mystery spark retard? Unsure if torque management is causing you problems? Idle tuning got you running in circles? These new tools will help troubleshoot those issues and more!"

    :lol:

  8. #18
    Lifetime Member GMPX's Avatar
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    We're not really worried about that sort of thing, it's bound to happen.

    Cheers,
    Ross

  9. #19
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by GMPX
    UPDATE:
    ... EFILive now has a total of 18!! spark PID's, no other scantool comes close to that number....
    EFILive rules the world, he he he (...powertripping...) :twisted:

  10. #20
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    My outlook on the whole thing is "turnabout is fair play", if you know what I mean. 8)

    If I'm not mistaken, it's possible to run 2 bar S.D. on the current software, w/o the need for an expensive upgrade... why don't you folks push that a little more, or maybe make some advertisements highlighting the differences between this software and other packages?

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