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Thread: MAP Reading on LS1B ??

  1. #1
    Junior Member
    Join Date
    Sep 2007
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    19

    Default MAP Reading on LS1B ??

    Having trouble getting the MAP reading to work on the Edge Insight CTS2. This is for both an 01 TransAm and 01 GMC Yukon

    The MAP reads fine on my laptop within EFI showing the reading in KPa. Is this a direct reading from the ECM ? or somehow calculated

    The PID in the CTS2 shows the MAP as reading in psi. Reads about 4psi at idle, which is clearly not correct.

    Thoughts ? Is there a way to get the protocol to read the MAP correctly?

  2. #2
    Lifetime Member ChipsByAl's Avatar
    Join Date
    Feb 2006
    Posts
    618

    Default

    You might need to change units on the device. Look at page 31 in the manual.
    Al

    PS. I don't have one of these, I just looked at the manual....
    "Trash that carb and get Injected!"

  3. #3
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    28,403

    Default

    Stock cam idles with MAP at about 35 kPa (about 5 psi).

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