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Discussion Starter · #1 ·
i bought an 03 lb7 last july ive been drive it with no complaints until i bought a tuner a cheap one, well it wouldnt load the program because there is already one loaded in the computer. i would like that program removed so i can do a ppe tuner or efi live. who or what can i do to remove that program.
 

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Pretty sure any GM dealer can re-flash it back to stock for you.
 

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Do you know what kind of tuner? Do you have their handheld?
 
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