Truck was running well, filled the tank, drove home parked with nose up hill, will not restart, no spark at coil, replaced coil, nothing, replaced cam position sensor and crank position sensor, nothing, replaced pcm, still cranks and no start, traced all wiring from key out, nothing, repluged all 3 sensors replaced and it started, would not go above idle, attaced fuel pressure gauge no start again, replaced fuel pump, nothing, it now has pressure and does not bleed down, 1999 dodge ram 1500, 5.2