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engine temp malfunction

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New User

Feb 11, 2019, 11:31 PM

Post #1 of 2 (240 views)
post icon engine temp malfunction Sign In

Hello, I am new to this forum and I am looking for any insight that someone may have on this problem I am having with my truck.

2015 ram 1500

this only happens in the Winter.. I will start my truck and start driving for around 10-15 minutes. Truck is about half to normal operating temp before the heat gauge sky rockets to the point it wont even read out the temp reading. I shut the truck off and immediately turn it back on and everything goes back to normal.
Ive been to the dealership a couple times and the only thing done so far is the temp sensor changed. but still is doing the same thing.
Summer months or anytime above freezing this will not happen.

I have attached a video to see what is happening.

hope someone can shed some light on this.



(This post was edited by nmathies on Feb 11, 2019, 11:33 PM)

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Feb 12, 2019, 5:39 AM

Post #2 of 2 (209 views)
Re: engine temp malfunction Sign In

I don't know if that temp reading on the dash refers to engine temp or ambient temp but it obviously has a problem in the circuit as it is reading -22C. If it's not the sensor, then the circuit is open somewhere, assuming it's not actually that cold.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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