Difference in Accessport readings and Datalogs
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This is a discussion on Difference in Accessport readings and Datalogs within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I installed Cobb SF Intake and Cobb's 93 Stage 1 +SF about two weeks ago. I have been monitoring all ...

  1. #1
    Registered User SettleDown's Avatar
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    Difference in Accessport readings and Datalogs

    I installed Cobb SF Intake and Cobb's 93 Stage 1 +SF about two weeks ago. I have been monitoring all the parameters via some regular pulls and datalogs and everything seemed fine. Then I noticed while watching my live data on the accessport, I was hitting about 18.4 psi. I ran another 3rd gear pull and the datalogs never gets over 17.5 psi.

    I don't understand how the accessport could read something different than it logs, but I am fairly new to this. Has anyone seen or heard anything similar? I am not too worried since 18.4 is within the +/- 1.5 psi for the map, but it's a brand new car and I kinda like it!

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  3. #2
    Luke Skywalker Mikie13's Avatar
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    The live data function always seems to be a little off...get a boost gauge.
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