I am going to be programming an ECM in a Chev trailblazer that has previously been programmed with EFI live, will it been and different that programming a stock one. Will I need to use any credits to change it?
I am going to be programming an ECM in a Chev trailblazer that has previously been programmed with EFI live, will it been and different that programming a stock one. Will I need to use any credits to change it?
It will work if it wasn't locked or a CustomOS was used.
You will need credits to save changes or write to the vehicle.
Usually the efilive custom os dont OS lock pcm like hptuners.
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