When we read rom off ecu (evo8) does it actually pull the rom off? Or just copy it? If I wanting to pull the rom I have and take it with.me on a trip to work on it and do my mutual tables? Could someone get into and move the car around a driveway or drive it if need be?

 

when you read from the ecu it downloads the file from it but does not remove the file from the ecu... your laptop just makes a copy of the file on your hard drive... so you car will function completely normally...

 

it only copies it....

 

Awsome thank you guys for quick response.