Good evening! My new 3500 gas engine pickup has a engine temp problem...maybe...the temp varies as i am driving, from 210-180....in that range. This is while pulling a 4 place snowmobile trailer at interstate speeds.75+
Also, the ambient temp was sub zero. Is this normal?It has 5500 miles on it . My 2018 1500 runs a steady 210. thanks for any replies or advice...

 

My guess with the temperature flucuations in the low ambient tep, et. etc. is normal.

 

You are seeing the thermostat operate as it should

 

After the conversion of a car to gas, many car owners do not even suspect that there are moments with the Gas cylinder equipment of the car that must be taken into account during operation. I had the same problem, but after a long time, my friend and I solved this problem. In honor of this event, I decided to buy myself new tracks for my snowmobile. If you are interested click here.

 

You may not be aware that newer engines are using electrically operated thermostats.

 

thermostat probably designed to start opening at 180. 210 is not a high temp imo. Don't see anything wrong here. Comparing different vehicles during different operating conditions is apples to oranges.