My 2002 ford ranger will only go 10 miles per hour, on 2002 Ford Ranger

It like it isn't getting enougn fuel to go I have a very tight buget and need it fixed and was wonder what it could be and if anyone knows how much it wll cost to get fixed

3 answers
How well does it start and how does it idle (RPMs)? What has been done to it recently? Anything? Which motor / how many miles?
You will need to have it diagnosed then report back what was found and we could help you with instructions to repair it.
could be plugged catt converter or low fuel pressure