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Thread: Supercharged Escalade

  1. 06-02-2019 #1
    Jasonstitus
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    Supercharged Escalade

    Hello
    I just got finished installing a vortec supercharger on a customers escalade 6.2. I swapped out the map sensor for the gm 2 bar. This set up runs without maf and open bov. I understand that I have to upload and rewrite the entire file to switch over to a speed density only setup, but no matter what I do, I can not get this thing to even idle. Starts up, shuts off. Over and over. Any ideas as to what I can check? I?m pretty sure I flashed it correctly because at least it?s starting. Thank you so much in advance for any insight you may be able to give.
    Jason
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  2. 06-02-2019 #2
    blindsquirrel
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    Attach the original (pre-2bar) file and the one currently in the truck so we don't have to imagine what it looks like.
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  3. 06-02-2019 #3
    charcoal03silvy
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    Quote Originally Posted by blindsquirrel View Post
    Attach the original (pre-2bar) file and the one currently in the truck so we don't have to imagine what it looks like.
    Yep, can't really help without seeing the files.

    Also, no reason to not use a MAF if its a gen4 pcm, in my opinion. If it is a gen4, see attached pic 2 bar diag.JPG
    Last edited by charcoal03silvy; 06-02-2019 at 04:38 PM.
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