I'm still trying to get my 2003 1500 3.7 started. Put a new rebuilt engine in and can't get it started. I put new CPS and CKPS sensors in and still nothing. Did find that the wrong tone wheel was on the crank, and had to pull the engine back out to replace it with the JTEC wheel. And it still won't start. It tries, but it's just short of that hit to run.
Does anyone think that I may have damaged the new crank sensor by running the wrong tone wheel?
It did run for a real short time after unplugging the MAP sensor. After replacing it, it went right back to P1391 with no starting.