Leptin is produced primarily in the adipocytes of white adipose tissue. It also is produced by brown adipose tissue, placenta (syncytiotrophoblasts), ovaries, skeletal muscle, stomach (the lower part of the fundic glands), mammary epithelial cells, bone marrow, gastric chief cells and P/D1 cells.
The fuel filter, in a 2008 Ford fusion, is located inside of the fuel tank. Drain the fuel from the fuel tank. Remove the fuel filter plate. The fuel filter will slide out. Reverse the process to install the new fuel filter. The fuel filter, in a 2008 Ford fusion, is located inside of the fuel tank. Drain the fuel from the fuel tank.
Fuel Filter: All gasoline engines have a fuel filter inside the fuel tank at the bottom of the fuel pump's pickup. There is also a combination fuel filter and fuel pressure regulator located on the top of the fuel pump module. A replaceable in-tank filter is attached to the bottom of the fuel pump module on some 1994-1998 trucks.