Dodge Ram won't accelerate sometimes,bogs and pops thru intake

I have a 2000 Dodge ram 70,000 miles usally when starting out or driving slow in town it sometimes wants to bog down when trying to accelerate and if I try to give more gas it will start popping thru intake. Then the next time it runs fine. So far I replaced the fuel pump the IAC theTPS. Had diagnostic done and only thing it showed was my O2 Sensor before the cat coming on line a little late and have no codes. One person suggested the intake gasket. I'm sarting to get a little fustrated.
Sincerley,
Jim McCanna

I have a 2000 Dodge ram 70,000 miles usally when starting out or driving slow in town it sometimes wants to bog down when trying to accelerate and if I try to give more gas it will start popping thru intake. Then the next time it runs fine. So far I replaced the fuel pump the IAC theTPS. Had diagnostic done and only thing it showed was my O2 Sensor before the cat coming on line a little late and have no codes. One person suggested the intake gasket. I'm sarting to get a little fustrated.
Sincerley,
Jim McCanna
Found out it was the O2 Sensor before the cat coming on line late. Replaced it. Truck running perfect, no problems.

Glad you got it fixed.....