1990 Dodge Ramcharger wont sart most of the time

This has been happening for over 1 1/2 years. Cold weather and warm weather. I was driving to work in Janruary in 2008 and 20 minutes into my drive she just quit(no signsof shutting down). Waited 5 to 10 seconds and she started. Drove 1/2 mile and she quit. Waited 5 to 10 seconds and she started. Did this for 20 miles. I changed the ignition coil and the fuel pump to shorten this story. The ramcharger wouldn't start for the last 4 days. She started up yesterday Janruary 31 2010, but wont start today Feb. 1 2010. Yesterday she ran for 15 to 20 seconds and stahled. It took a about a couple of minutes of trying to start her and finally she started again. She ran rough and had a small backfire when she stahled again out of the exhaust being I was reving the motor. She started again and I let her run for an 1 1/2 hours. Today she turns over real strong but wont fire. The hose at the upper passenger side of the throttle body has gas coming out of the throttle body(carb). But not coming out of the throttle body in a cone shape. Any more info you might need you can call me @ 586 764 2556. Thank you so much. I am unemployed so I honestly cant afford to donate. I am struggling with this and your help is beyond words. Thank you