Hey guys just purchased a 2013 GMC with the duramax. It has been deleted and I was told it has an EFI Live tune. It has a 5 position switch on the dash but no tuner unit attached. As I am new to...
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New to diesels and tuning. LML help.
Hey guys just purchased a 2013 GMC with the duramax. It has been deleted and I was told it has an EFI Live tune. It has a 5 position switch on the dash but no tuner unit attached. As I am new to...