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.
Consequently, they are usually more expensive. The filter may be located anywhere between the fuel tank and injector fuel supply rail or throttle body. On many cars, light trucks and minivans, the filter is located underneath the vehicle along a frame rail. On some, the filter is part of the electric fuel pump assembly inside the fuel tank! Refer to a shop manual for your fuel filter's location.