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Old 06-30-2021, 01:26 AM   #1
LazerD21
 
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Default Curious where temp gauge needle shows on ya'lls D21

Truck has been running hot these past few weeks, even on cooler days. The temp gauge on the dash never went above 1/4 until I cleaned the temp sensor today (single fin, single wire).
Now my temp gauge on the dash is showing a little under half when running but when the car is off it drops way past the cold mark.
Curious where y'all's sits when off as I'm about to tackle this running hot issue.

Check out the attached pics below.

Truck: 1994 D21 XE - 2.4 KA



https://imgur.com/TsupnDP
https://imgur.com/vaTGao7



Last edited by LazerD21; 06-30-2021 at 01:31 AM.
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Old 06-30-2021, 02:07 AM   #2
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Around half of normal as the gauge is not real accurate.
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Old 06-30-2021, 02:16 AM   #3
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Quote:
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Around half of normal as the gauge is not real accurate.
Where does yours sit when off?
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Old 06-30-2021, 03:04 AM   #4
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At zero. It's not powered when the key is off.
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Old 06-30-2021, 03:29 AM   #5
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Quote:
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At zero. It's not powered when the key is off.
Sorry for not being clear. I meant on the dash. If you check out my pic above it shows way down past C.
Maybe I'm just being crazy.
Probably more than just maybe.
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Old 06-30-2021, 03:42 AM   #6
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Just being crazy. Always has sat way below C.
Just found a picture of my dash from a few years ago and it's still the same.
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Old 06-30-2021, 03:51 AM   #7
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When it's not powered it'll just go to it's lowest position. That may be below "C". My truck has the old square dash so my gauge is different. I have a mechanical gauge on my A pillar that I use instead of the dummy gauge because it is actually accurate. I don't pay attention to my dash gauge anymore.



The range withing the "U" shape between hot and cold is your standard operating range. As long as you are within that the truck thinks all is OK.
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Old 06-30-2021, 04:13 AM   #8
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Don't drive yourself crazy!!!

Temp gauge needle will sit below the "C"'s line, when the power is removed by turning the ignition key to "Off" and/or the key is removed from the ignition, and looking at your 2 photos, they look correct for operating temperature and with the power removed.
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Old 07-01-2021, 02:10 AM   #9
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I can say in 30yrs of driving my 91 ka24e I never had the gauge past the normal operating range (needle never entered 'hot zone') and settled below 'C' when turned off. Most of the time needle stayed around 1/3 mark in typical warmed and driving state.
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Old 07-13-2021, 04:21 AM   #10
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With the 170º tstat around 1/3, with the 180º tstat around 1/2. Honestly doesnt matter!
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