It is under the car, on the right rear, up by the gas tank and it's about 2
Change the fuel filter.
how do i change the alternator in my 2001 ford focus?
When you change the oil and oil filter.
how change brake fluid . i have ford focus lx 2000.ans how change air filter.
Probably the fuel filter. Change it.
http://myfordfocus.com/how-to/starter.htm
The cabin air filter is under the plastic cowl aft of the hood below the windshield
See answer on "How do you change the front brake pads on a 2001 Ford Focus?" for a description of the location of the resivoir. The answer to this exact location is at the bottom of that answer.
4.5 Quarts with oil/filter change.
In front of gas tank on pass side......
Try this hot-link. > http://www.myfordfocus.com/how-to/cabinfilter.htm <
Clogged fuel filter.