will not run just back fire any ideas its 2.3 fi

 

Sounds like its out of time.What year is it? Also look up the cam time marks in relation to the crank.The cam belt may have jumped

 

Here's a link from the Ranger & B-Series tech. info. sticky about 2.3 timing belt:
http://members.aol.com/racsan99a/2.3LTimingBelt.doc
This takes a LONG time to load but has all the info AND diagrams to go with the text. You'll find a pic of the proper timing mark locations there.
AL.