Will not start after a thirty mile drive

Question

P1391 I have a 2000 Dodge Ram sport 4x4 with 5.9 engine Automatic
Drive thirty miles it has to sit for a couple of hours and it will crank
Drive fifteen miles and it has to sit overnight
Just depends on if it wants to crank i guess its just crazy how it does

Answer 1

P1391 Intermittent loss of CMP and CKP

This is a common code with a Dodge, Because vehicle are built by robots they all have a inherit problem that is common to each manufauctuer When this code is seen replace the CKP and the CMP sensor , The problem is with the PCM, This is such a common code with Dodge that you can go to most any aftermarket auto part store and they will have it in stock and they can even flash the VIN. when you purchase it. Buy a dozen and keep it in the glove box as a spares.