Glad i found this site. Here is my experience with this issue. Purchased 2013 Fusion Se 1.6 ecoboost oct 2012. I have manually calculated mpg since day one. The car has never gotten better than 24 mpg. Its driven 90 percent of time on open hwy to and from my work. 65 miles round trip daily. Never have i been able to get more than 12.5 gallons into tank at any given fuel up. I started descussing this issue with my dealer. After much conversation about issue finally service manger ran some test. He forwarded the info to Ford and they responded with a list of more fuel tank related test to try. They have tested the fuel tank from a to z and still it only produces 88% fuel level when manger hooks computer to it. Ford then responded with try a couple other fusions on dealers lot. Manager takes two different fusions neither of which has the 1.6 engine but both se models to gas station and fills them up with his computer attached. They both read 98% full. Now Ford says replace the tank. Off course this took two days for them to decide and now the tank is on back order im told with know eta when it might be shipped. There is def another problem with some fusions and its the fuel tank. I have never driven any other than a Ford in my 40 yrs. my family all drives ford vehicles and my father rest his sole only drove a ford. But the experience with this vehicle has been awful. I bought because i was driving an 07 fusion oct of 2011 (loved it and it got 29 with i 4 engine.no ecoboost) and had a very bad accident. The car flipped twice and rolled once. The safety features of the fusion saved my life. So i waited for the new fusion and purchased what i thought would be even better than 2007. In two yrs i planned to turn this over to my daughter for her first car. Safe,reliable,fuel efficient and i would sleep well when she is on the roads. But now this car that cost 27000 is not worth ten cents in my opinion. On top of recall issues, ive had a windsheild wiper that had to be replaced, a part on door handle that is also still on backorder and to go along with the fact the 1.6 ecoboost was supposed to get in the 30's as for as mpg and now fuel tank problem i am stuck. Ford still refuses to admit the 1.6 is flawed and needs to be replaced completly. If the new tank ever gets installed and it does not change the issue. I will be filing for lemon law buy back. I just wish they would provide the same loyalty to a customer as my family has to them for several generations. They have lied to me over phone when dealing with Ford customer relations, they lied to dealer and said they were not aware of a mpg problem or fuel tank issue. Even though several hundred other owners are posting same issues and have called them to complain. Not to mention the tanks are on back order for a reason. Said all of this to say call them complain and get it to your dealer and maybe just maybe ford believers can work together and help them open their eyes and get back to what built their company. Customer satisfaction......i will repost when and if i ever get a new fuel tank.