I have a cali version 1997 F250 7.3 with an auto trans that started running rough one morning. It felt like an injector or 2 was not firing and I limped it home. After parking it, I could not get it to restart. I have swapped the CPS, ICP, IPR, visually checked both banks harnesses for wear/melting, topped off the Hpop reservoir, pressure tested the HPOP to 1800 psi or so on cranking, both batteries are currently over 1000 CA, new fuel filter & FPR was rebuilt, fuel pressure is around 5psi, (I was told that is enough for startup by a local shop...) new air filter, and probed all fuses under dash and in main fuse box under the hood 2 times. I sent the IDM to swamps for a test and according to them, it is in great shape. I see the tac moving when cranking but when I have the left valve cover off I can tell the injectors are not spitting oil. All new parts are Ford/Motorcraft. I am still slightly suspicious of the fuel pump, will injectors fire with poor fuel pressure (fuel bowl was full when filter was swapped)? The truck also has an aftermarket chip should I pull it in case it went bad? Time to pull and test the PCM? Time to probe the grounds to pcm and idm? I have never posted before and I'm almost to the point of having it towed and throwing $$$ at a shop.