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Fuel pressure is around 18 psi

First real post here, been lurking in the back ground but now I have a issue you all might be able to help me with. Ok got a 02 gen 2 nv5600, air dog pump. Start it in the morning to warm up (plugged in over night) and blocked wheels cause my driveway is on a incline and my ebreak is not the strongest. Come out to leave and have to put it in gear and shut off truck then remove blocks. Go to start back up and will not start just cranks but does not fire. Now I've been able to get it to start 2 different ways when this happens, either with ether or with my smarty using it to clear the 4 codes it shows. Those codes are as follows. P0232 P0230 P1475 P1693 Now ive been told i need a new vp, a new pcu or ecu, could be ground issue, could be fuel pump relay issue (already replaced). Who has had this problem? What was your solution? THANKS IN ADVANCE!