truck stopped running without warning now it has no fire to spark plugs scanned with snap on scanner no stored codes or previous codes

Asked by Jun 30, 2013 at 03:00 PM about the 2006 Dodge Ram 1500 ST Quad Cab LB

Question type: Maintenance & Repair

checked coils replaced cam sensor and crank sensor still no fire

3 Answers

29,855

Since when do dodge trucks have timing belts? and how does a fuel pump cause no spark? That's beyond me, since you have replaced both sensors I would suspect pcm since that's what grounds the coils. Since you have a scanner handy did you check to see if the pcm is seeing rpm? do the coils have power to them all?

1 people found this helpful.

I have voltage to all coils scanner reads no rpm

29,855

well if the wires to the cam and crank sensors had a fault a code would be set and the sensors are new. So I would really lean towards a bad pcm. but I would ohm out the sensors wires from the pcm to the sensor to be sure you don't have a issue there.

1 people found this helpful.

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