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Thread: Tuner question

  1. #1
    suckit
    Medium-Rare G6er

    Join Date
    Mar 2007
    Location
    St. Louis, MO
    Posts
    245

    Tuner question

    Okay I have a VMS tune ECM/TCM 3.5L 93 octane in my g6 and was wanting to take it out and drop the factory ECM and TCM back in. When I installed the tuner I have now I had to use the Dashhawk to learn the new tune. Would I have to do the same going back to the original ECM/TCM or could I just pull my modified tune and put the factory one back in without doing anything else?

    Thanks for any help!
    '07 GT Sedan Granite Metallic: http://www.fquick.com/achg6gt

  2. #2
    suckit
    Medium-Rare G6er

    Join Date
    Jan 2010
    Posts
    326
    Year
    2007
    Make
    Saturn
    Model
    Aura
    Trim
    XR
    Engine
    3.6L V6 LY7
    Transmission
    6 Speed Auto with Tapshift
    Style
    Sedan
    Color
    Black

    Re: Tuner question

    Is your tune on a completely separate ECM/TCM? If so, you probably could get by just replacing it. If it is a piggy back unit, you might have to do a relearn so the ECM/TCM can relearn the normal parameters. Never used this tune though so YMMV
    2007 Pontiac G6 3.5L V6 | 1998 BMW Z3 Dinan

  3. #3
    suckit
    Medium-Rare G6er

    Join Date
    Mar 2007
    Location
    St. Louis, MO
    Posts
    245

    Re: Tuner question

    Yep, the tune I have listed above is a separate ECM/TCM unit. I have the factory ECM/TCM in a box. I'm wanting to swap it out because i'm going to be doing some traveling and I'm not sure if the gas stations where i'm traveling only have 91 octane gas. My current tune is for 93 octane and didnt want to run into problems so would rather just drop it back to factory and use regular gas.

    Thanks
    '07 GT Sedan Granite Metallic: http://www.fquick.com/achg6gt

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