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1990 Ram 150 5.2L V8 MPI will not start in cold weather, starts and runs great in warm weather

scuttlebutscuttlebut Posts: 2
edited April 2014 in Dodge

I have inherited a 1990 Dodge Ram 150 Custom / LE / S / SE!
VIN: 1b7ge16y9ls626951 Engine: 5.2L V8 MPI. This past winter the truck would not start. No spark no fuel. once the weather warms up in the afternoons, the truck starts and runs great. I have replaced the computer, battery, ASr, coolant temp sensor. Any ideas on what the problem could be?
Any help greatly appreciated.


  • have also now replaced the coolant temp sensor.

  • Mr_ShiftrightMr_Shiftright CaliforniaPosts: 56,730

    no spark or fuel? So this is an electrical issue. I'd say you'll have to have a technician scan and "freeze frame" at the time of the no-start (when it's running he won't see anything most likely). This is one of those "Thomas Edison" repairs where you have to diagnose step by step.

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