Hello, I have a 06 cummins with efi live currently on the truck. Can I go in with hp tuners and change the tire size with out messing up the efi live tuning
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Hello, I have a 06 cummins with efi live currently on the truck. Can I go in with hp tuners and change the tire size with out messing up the efi live tuning
yes it reads the tune off as it is so when you write it back it will have your changes that efi live made
this is only different on newer cars that have encrypted tunes or cant be read only written for 06 your fine