I know the instructions say turn engine off when you want to switch maps, but is it necessary to? I think i've read on other forums of people switching maps while driving, was just wondering if this is actually safe/ok to do. Thanks.

 

well if the intructions say do to so then i would do it.........you really cant follow what others do to be honest.......i mean thats why it came with instructions just my 02 sense..unless you contact the company and ask see what they say

 

I'd turn it off. When you switch maps it's not instantanious, so there may be a transition period where the injector could get a bad signal, making the injectors work different than intended.