93v6Toyota

So as the title says my 93 pickup 4x4 with the 3.0 v6 motor randomly will not start. 9 outta 10 (guesstimate) times the truck will start flawlessly And the. Randomly I will get stranded places for who knows how long until it starts again. When it doesn't start it cranks like normal. Also the motor is a factory rebuild with maybe 5k on it. Any suggestions? I don't even know where to start since it runs when it wants to. Any help is appreciated