I have a 2004 dodge ram 1500 with a 5.7 liter when temp. falls below 20 degrees truck will not start no dtc's present

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Customer: I have a 2004 dodge ram 1500 with a 5.7 liter when temp. falls below 20 degrees truck will not start no dtc's present and it has fuel pressure
Answered by ASE Master Tech 35yrs in 1 hour 9 years ago
ASE Master Tech 35yrs
Auto Mechanic

2,054 satisfied customers

Specialities include: Automotive Mechanic, Small Engine Repairs, Auto Body Repairs, Diesel Engine Repairs

ASEMaster35yrs :

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


ASEMaster35yrs :

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

ASEMaster35yrs :

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ASE Master Tech 35yrs
2,054 satisfied customers
Auto Mechanic
ASE Master Tech 35yrs
Auto Mechanic

2,054 satisfied customers



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