You need to change the filter with every oil change. Nissan recommends every 3750 miles.
usually every 100000
The fuse box diagram for the 1994 Nissan Altima is often located on the inside cover of the fuse box. You can also find this diagram online at places like Nissan Forums and Nissan Help where people upload the diagrams.
http://www0.epinions.com/review/2003_Nissan_Altima/content_102848761476
When it is dirty.
When it is dirty.
If you have an alarm on your car, make sure there isn't a kill switch on it.
30000 mile intervals. also replacement of the fuel filter is recommended at the same time. every 2 spark plug replacements the wires should also be replaced
Your tank filter should be changed every month. If your filter becomes clogged, it should be changed right away.
Change the oil filter every time you change the oil.
Pre-filter for what? You posted this question in the Fuel Filter category. So I must assume you mean the pre-filter on the fuel pump. That is changed when the fuel pump is replaced.
Unless it is running rough or missing, change them at 90,000 miles. They are screwed into the heads.
The fuel filter.