Post by
Nismo_Freak »
https://forums.nicoclub.com/nismo-freak-u248.html
Fri Dec 26, 2003 8:45 am
Maps that are leaned out (less fuel in the a/f mixture, the a/f mixture is the air/fuel mixture that is burned in the combustion process) in order to improve your fuel economy.
The EManage is an aftermarket fuel and ignition tuning computer.