1999 Pathfinder Stalling

[jshera]

Alright so I was driving my 99 pathfinder to the gas station, had about an 1/8th of a tank left and it started sputering at a light. Drove the next block and fueled it up and it was a SOB to start. Finally got it started after 3 tries and only made it a block before it died. I had Spark, and the vehicle would only run by spraying carb cleaner in it. Could Hear the fuel pump priming so I put a new fuel filter in. Fired up right away and drove home fine. Next morning i go to get to highway speed and as soon as i step on it it dies and would not start.

Now tonight I replaced the fuel pump and once again it sputers stopped at lights and stalls when i step on it to speed up. But only in gear. In nuetral or park you can rev it to where ever you want.

Any Idea what it could be, im stumped and need help!