I am here to learn the basics about engine mamagement and possible mods to improve efficiency mainly. I have a 2003 Peugeot 406 Coupe 2.2 HDi MUX, a 2006 Renault Megane 1.5 dCi 106 and a 2005 Hyundai Coupe 1.6i [can't be remapped I've been told :wtf: ]