I make this topic for french mates. I will list most of terms i have encounter with their translation
VNT = Variable nozle turbo => Turbo a géométrie Variable
Manifold => collecteur
Torque => Couple
Camshaft => Arbre à came
IQ = Injection Quantity => Quantité a injecter
IAT = Intake Air Temperature => temperature d'air entrante.
If you need some other term don't hesitate to post it i will edit this post.