Sorry for the novel. I have a 96 xj 4.0 4x4. Had an issue where it was bogging while driving after a bit changed the fuel pump ran great for 2 days. Parked overnight went to start it next day juat cranks no starting. Fuel pump doesn't prime. I can jump the fuel pump relay and the pump turn on but engine still just cranks doesnt start. With pump running fuel pressure is good. Changed Crankshaft position sensor still nothing. Checked all fuses on driver side by feet and in PDC all are good. Don't know what it could be ran fine one day next never started. Any ideas?