i picked up my new truck thursday night (09 ram 5.7 quad)and let me tell ya it's awesome!but anyways my MDS comes on wheather it 30mph or 65mph.i will telll you this it comes on alot going down hill.(Da)and this so called light will read FUEL SAVER when it's on. now i don't know how many mpg i'm getting because i'm still on the first tank.Oh did you guys see on dodge.com they are (dodge)will upgrade you with a 5.7 hemi at no charge for the month of march.now it will probably depend on you area.check it out.when i get more info on gas milage and how much more often my light comes on i will pass it along. **** i only have 99 miles on it .it's still a virgin.
