rail pressure too low!!!

[06dmax]

i have a 2006 chevy 2500hd with the LBZ it has an intake, exhaust, rail shim kit, diablo sport predator on 120hp setting and a PPE duramaximizer. when the maximizer is turned up over half way and i step on it the rail pressure too low code is thrown. will a new lift pump help correct that problem or what do ya'll suggest the next mod show be to solve that problem?

 

[maxaholic]

A lift pump is always a great addition and will help you maintain rail pressure. When was the last time you changed your fuel filter?

 

[06dmax]

im gonna change it over the weekend prob has 3k on it but gonna change it with the oil so its all new and planned on ordering a lift pump as well. hopely that will help out

 

[TeaBagger2006]

Lift pump will help.
Sometimes it's the fprv that just goes bad or that is not tightened enough