Here is a picture showing the fuel filter on a 1998 Ford festiva trio. It is near the battery.
http://img522.imageshack.us/img522/6351festiva1998fuelfilter2yn6.jpg
Mounted on the engine block.
on drivers side firewall
The fuel filter on a 1988 Ford Festiva is located on the drivers side lower fire wall. The bracket is typically to rusted that you may wish to consider relocating the filter, or just putting in an aftermarket in-line filter.
where is the heater fan located on a89 ford festiva
with blinker fluid
Check your PCV valve.
3.6 Quarts (including filter)
My 1989 festiva owner manual states: 3.9 quarts with a filter change.
Back by the tank.
behind the steering wheel
Purchase a Purolator filter as it comes with complete instructions. I think you will find that a 1998 F150 does not have a cabin filter.
below the alternator which is located near the firewall