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I have bought a 2006 Chevy LBZ 6.6 with EFI live already programmed and ready to go. This truck was bought at a sale and I'm trying to figure out what tunes are on the truck but i'm new to EFI live so i'm unsure about how to do this.........Any help would be greatly appriciated.
 

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That pretty much won’t be able to happen.
If it bothers you not knowing, usually you have to start all over.
I’m assuming you didn’t get the EFI tuner AutoCal or V2.

Most will try contacting several different EFI tuners giving their vin number.
But I haven’t heard of any tuners admitting they tuned it.
That’d be bad for business loosing $$$ when they could just sell new tunes and a device.

Maybe try and search for the previous owner to get info.
Records are kept on owners you just have to dig real deep searching.
 
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