2000 dodge ram 1500 3.9 liter will crank but not start

Asked by Aug 21, 2016 at 04:24 PM about the 2000 Dodge Ram 1500 2 Dr ST Standard Cab LB

Question type: Maintenance & Repair

I have a 2000 Dodge Ram 1500 3.9 liter V6 I
replace the spark plugs in it and it would crank but
not turn over so I ran all the wires and ended up
replacing my entire wiring harness and still the
same problem so it's not any wiring everything else
seems to be working good is there a reason why
my truck will turn over but not start any help or
advice or ideas would be much appreciated

2 Answers


First of all is the check engine light on ? If so you can go to your nearest parts store like autozone and rent the scan tool that will read the codes for you telling you why your vehicle will not start. Something else you can do is spray some starter fluid or throttle body cleaner into intake and if vehicle starts for a couple of seconds then that will let you know you are not getting fuel if no start check for no spark.


If there is no spark at the plugs it could be the coil or the crank pick up sensor. Your spark first starts at the crank sensor and sends a signal to the coil and so on. I bought both and changed the easiest one first( coil) fired up on the first flip. Returned the unopened crank sensor and good to go.

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