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truck will not start. someone was replacing the coolant temp sensor and when they finished the truck would not start. just bought a code scanner and these are what I got
Vehicle: 1998 dodge 1500 with 5.2

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P0123 Throttle position sensor voltage high

P0118 ECT (engine coolant temperature ) voltage too high

P0113 Intake air temperature voltage too high

P0463 Fuel sending unit volts too high

P1492 Battery temperature sensor too high

Check for any open fuse in the engine fuse / relay box. What all these sensor have in common is a 5 volts primary .  and signal return When a circuit for a sensor goes high this represent a open circuit, or disconnection. Look at the harness for any disconnection there, You would also check the operation of the ASD relay, as the key is turned on the ASD relay should operate, If the ASD does not operate Check  for open fuses in the engine fuse  / relay box,

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