Dodge Ramcharger Fuel Pump Replace/Remove

I Have The Vehicle Listed Above D100. It Ran Fine A Couple Days Ago. I Replaced Fuel Pump And Ever Since It Starts Up And Shuts Off A Couple...

At Idle Truck Has 15 Psi. At Tbi , Under Load (driven) It Drops Down To 5psi And Flattens Off Will Not Go. Fuel Pump Was Changed 2 Years Ago...

Hi, I Have An 89 Dodge Ramcharger 360 Cid., Throttle Body Injected. It's A Bit Hard To Start In The Mornings But It's Predictable... Always...