hey im having a similar issue that u seem to recently have. no voltage to FPR. truck runs and has slight fuel knock. reduced engine power. fuses are all good that i can find. pulled all the loom off and cant find any bad wires. just did twin turbos. twin cp3s. studs. injectors. water meth and H&S tuner at the moment. truck didnt have the code before the build. NEED HELP! if u could msg me back or shoot me a txt or call at 701-500-2029. been tearing my hair out for 2 days and know one knows. any help would be awsome! thanks alot! -kyle