hello all i just got done doing the LQ4 6.0 swap into my 1987 R-10 long bed. i have the magnuson 112 radix system 4L80E behind it and used all the factory fuse block. it has dual tanks which i think i will be moving to only one. i need to upgrade the fuel pump the a walbro but in time.

my question is i keep getting a P0654 which i know what it is but i don't know how to fix the problem can anyone help me out on this.
thanks for the help