Driving non issues suddenly the temperature gauge drops to lowest leve in gauge. At this time truck misses rpm drops and shuts downs. Attempts to restart are useless until a few minutes pass at which time she starts and after a while the cycle repeats itself. HEEEEEEElp

 

First thing to do is check all the grounds to make sure they area clean and tight. Especially the one at the back of passenger side head to firewall. Sounds like PCM is loosing power.

 

Could be coolant temp sensor/connector. If the engine is warm and the computer thinks it's cold it's gonna run like garbage.