engine acts bad with programer installed
 

Hey guess just wanted to see if anyone could help me out I bought a programer for my truck and when its under load going up a hill or just being easy on the throttel engine cladders really bad but when you let off the peddel or get on the peddel it stops I can tell there is more power but my engine dose not soun right is it the pump do I need to get more fuel to the pump? it is a vp44,

what programmer and settings?

its a van aken smart box r