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Thread: 2 bar SD problems

  1. #1
    Tuner in Training
    Join Date
    May 2010
    Posts
    12

    Angry 2 bar SD problems

    i followed the whole guide for applying the 2 bar sd enhancement on my car, then i found the 2 bar map in the vcm scanner pid

    engine/ air flow/ map sensor 2 bar

    at idle i am getting 56.4 kpa and that converts to 8 psi ?

    but my gauge is showing my vacuum at idle -4.5 or something like that

    also none of my histograms work and i have the old SAE map sensor deleted from the table display

    can somebody please tell me what i am doing wrong ?

  2. #2
    Tuner Delft Calais's Avatar
    Join Date
    Sep 2007
    Location
    Dubbo Nsw Australia
    Posts
    146
    If you have a cam'd car that kpa could well be right, that 56.4 kpa or 8psi your talking about is atmospheric pressure not boost pressure, boost pressure will take over where you atmospheric ends, usually 100-105kpa depending on your elevation from sea level eg my general baro is around 99kpa at my altitude. anything under 100-105kpa will be atmospheric pressure and 210kpa will be 15psi of boost pressure. so 100-105kpa will be 0psi boost and 210kpa will be roughly 15psi of boost or slightly more if your baro is low.
    Barometric/atmospheric call it what you like.

    Regards your histo's you should load your old scanner config and new config so people can see. Not a real hard to make new ones anyway.
    Give it a go yourself first, if it doesnt work out then pay someone.

  3. #3
    Tuner in Training
    Join Date
    May 2010
    Posts
    12
    here is my scanner config file and one of the logs

    http://www.mediafire.com/file/yyy7ye...number%203.hpl

    http://www.mediafire.com/file/zrh4d5...ND%20ADDED.cfg

    also i am getting these codes

    [PCM] P0102 - Mass Air Flow (MAF) Sensor Circuit Low Frequency (SES) (Pending) (Old) (History) (Current) (Immature)
    [PCM] P0106 - Manifold Absolute Pressure (MAP) System Performance (SES) (Old) (History) (Current) (Immature)
    [PCM] P0121 - TP Sensor Circuit Insufficient Activity (Old) (History) (Current) (Immature)
    [PCM] P0530 - A/C Refrigerant Pressure Sensor Circuit Malfunction (Pending) (History) (Current) (Immature)
    [PCM] P0645 - Air Conditioning (A/C) Clutch Relay Control Circuit (Pending) (Old) (History) (Current) (Immature)
    [PCM] P0650 - Malfunction Indicator Lamp (MIL) Control Circuit (History) (Immature)
    [PCM] P1637 - Generator L-Terminal Circuit (History) (Immature)
    [Restraints] B0017 - RF/Passenger Frontal Deployment Loop (Single Stage or Stage1) Open (History) (Immature)
    [Restraints] U1040 - Loss of Class 2 Communications with ABS (History) (Current) (Immature)
    [Restraints] U1016 - Loss of Class 2 Communication with VCM (History) (Immature)
    [HUD] U1000 - Class 2 Communication Malfunction (History) (Current) (Immature)