Engine Temperature Display
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Mountain Pass
Joined: Mar 2005
Posts: 244
Likes: 45
Engine Temperature Display
2024 F350 Diesel
I have the detailed display on for my gauges.
Now that it’s gotten colder outside, the engine temperature starts at 86 degrees and I know it’s colder. I don’t remember my 2017 being this way. Anyone else see this?
I have the detailed display on for my gauges.
Now that it’s gotten colder outside, the engine temperature starts at 86 degrees and I know it’s colder. I don’t remember my 2017 being this way. Anyone else see this?
Hotshot
Joined: Aug 2006
Posts: 17,400
Likes: 319
From: Whittier, CA
We have the 7.3, but yes my coolant temperature also does this. Not sure if it is exactly 86° but that sounds about right. Obvious thing to me was that the oil temp would always be lower and seem to be closer to actual ambient temp. After an overnight soak they should be near exactly the same. But they never are, and ECT is always higher than it could possibly be.
I've decided that I don't care, and now that someone else says they see the same, I'm even less concerned.
I've decided that I don't care, and now that someone else says they see the same, I'm even less concerned.
Tuned
Joined: Feb 2019
Posts: 278
Likes: 183
I noticed this over the past couple of colder days with my temps. Coolant shows 86 degrees at first startup and oil was same as outdoor temp. Wonder if the gauge doesn’t read lower than that but such a strange number to pick. Must be normal.
Hotshot
Joined: Aug 2006
Posts: 17,400
Likes: 319
From: Whittier, CA
Yeah, I think they just work in all metric.
Question is, why did they choose to not show actual coolant temps below 30°C? And why only ECT but not EOT or Trans? Just Ford being Ford I suppose.
I don't believe that the sensor does not work below 86/30. For whatever reason they just chose to not show us the actual value.
Question is, why did they choose to not show actual coolant temps below 30°C? And why only ECT but not EOT or Trans? Just Ford being Ford I suppose.
I don't believe that the sensor does not work below 86/30. For whatever reason they just chose to not show us the actual value.
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Laughing Gas
Joined: Apr 2023
Posts: 921
Likes: 1,868
From: SE PA
My 23 shows the actual temp on startup, I just checked it reads 56 and it is 54 outside. The transmission does not, even if it is hot it always starts at 46.
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Hotshot
Joined: Aug 2006
Posts: 17,400
Likes: 319
From: Whittier, CA
I cannot explain WHY Ford chose to not show us coolant temp below that value. I think we can all agree it is an odd thing to do.
Laughing Gas
Joined: Dec 2021
Posts: 1,098
Likes: 343
From: PG, BC, Canada
On my 2021 F350 6.2 gas, the coolant temps shown at start up, are the temps that were recorded on at shut down... For the 1st second... THEN, when the ECU gets next reading of the coolant temps, 
the temperature drops to what ever the ambient temps were over night, and at about 1 second later or so after start up, it shows the lower coolant temps that the coolant is actually at, on 1st start up and the temperature of the coolant goes up about 1 degree every second... 
EDIT; This happens even when I don't actually start the vehicle, the temperature # first shown is what the last temperature was when shut down, then, 1 to 2 seconds later, the temperature # changes to the ambient temperature that the coolant is at that moment...
the temperature drops to what ever the ambient temps were over night, and at about 1 second later or so after start up, it shows the lower coolant temps that the coolant is actually at, on 1st start up and the temperature of the coolant goes up about 1 degree every second... EDIT; This happens even when I don't actually start the vehicle, the temperature # first shown is what the last temperature was when shut down, then, 1 to 2 seconds later, the temperature # changes to the ambient temperature that the coolant is at that moment...
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