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Hi, glad to be of help. First make sure it's getting spark. There are only two sensors related to cold no start problems, coolant sensor and air charge sensor and your coolant sensor may not throw a code so I would change that first if your fuel pressure is within specs and you have spark at the plugs.
Coolant sensor (ECT)
Air charge sensor
If you don't have spark at the plugs there is another problem. Check or replace your ASD relay. Check for power to ASD relay & check wiring & connections. See this forum link: http://dodgeforum.com/forum/3rd-gen-ram-tech/290920-asd-relay-not-getting-ground-from-pcm.html
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Ellen
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