we cant read existing file? Have to use a supplied calibration?
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we cant read existing file? Have to use a supplied calibration?
You can't read the stock file out of the truck? I don't understand, this is very vague can you elaborate a little more?
correct LML are a Write only ecm unless you pull them apart, EfiLive is write only as well for this ecm, hp supplies you with a base "stock" tune when you attempt to read it