About 18 inches behind the coolant tank that sits next to your battery.
The Villager does not have a test port, you need to tee into the line near the fuel filter to test pressure.
The filter is located behind the RH side of the carbon canister under the hood.
A Villager, like most cars, has only one fuel filter.
The Villager does not have a test port. You need to tee into the line at the fuel filter.
inside of gas tank.
The fuel filter is located under the hood on the drivers side beneath the master cylinder
There really isn't one. They easily go over 100,000 miles or more. Plugged fuel filters of this type are very rare.
Regular fuel (87) is fine.
Under the vehicle, approximately in the middle, driver's side.
Really? Unclip the cover and remove the old filter. It's easy.
The button is right below the seat ontrols
According to fordparts.com : For a 1995 Mercury Villager : Engine oil filter ( Motorcraft FL - 839 ) Engine air filter ( Motorcraft FA - 1121 ) Engine fuel filter ( Motorcraft FG - 978 )