C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

"Outside temperature" readout on the dash...

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Old Dec 24, 2003 | 10:39 PM
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Default "Outside temperature" readout on the dash...

My "outside Temp" readout on my auto climate control (92 LT-1) was stuck on 44 degrees today even as the temp climbed in the afternoon. After a couple hours, it suddenly started reading accurately again and quickly rose to 65. Is there a connection on the sensor that may be loose? where is it located under the hood. Any other suggestions? Thanks - and OH YEAH, MERRY XMAS TO ALL!
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Old Dec 24, 2003 | 10:52 PM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

Mine did that a few times this past summer, too. It'd be around 90 out, and it was reading 15 degrees, then it would slowly climb up... A few members told me the sensor was probably bad, or going bad.

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Old Dec 24, 2003 | 11:07 PM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

On my '88 the outside temp sensor is in the RH front of engine compartment on top right corner of radiator.
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Old Dec 24, 2003 | 11:21 PM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

the temp readout will only update the screen once you have drive over 45mph for 1.5 miles... there is another condition, but I don't remember... its time based...


[Modified by bogus, 11:21 PM 12/24/2003]
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Old Dec 24, 2003 | 11:25 PM
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Default Re: "Outside temperature" readout on the dash... (bogus)

WOW! Thank you! Where does one find obscure facts like that one? :confused:
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Old Dec 25, 2003 | 12:07 AM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

Updates occur (on my 96) when:

Vehicle speed>25 for 3+ min or 45 for 1.5 + min

Vehicle speed falls <25 no updates occur

Ign turned off & then on w/in 3 hours and current ambient temp is < what is stored when ign went off

If ign is off 3+ hours current temp is stored immediately.

Sec 1c Elec Auto a/c pg 1c1 - Fac Svc Manual
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Old Dec 25, 2003 | 12:09 PM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

I also wonder if these sensors can sometimes be functiong fine but just reading blind because of the dirt that builds up on them.Wonder if they can be sprayed with a sensor safe electrical parts cleaner?Mine has worked fine for years and the sensor has never been changed since 86,but I noticed its got quite of bit of dirt/dust build up around it...just wondering if anyone tried cleaning theirs?
:cheers:
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Old Dec 25, 2003 | 12:32 PM
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Default Re: "Outside temperature" readout on the dash... (Lordmrwiggly)

I believe the sensor is located on the right hand bottom of the radiator.
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Old Dec 27, 2003 | 02:16 AM
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Default Re: "Outside temperature" readout on the dash... (Bill's86Coupe)

...just wondering if anyone tried cleaning theirs?
The temperature readout on my '92 was doing the same thing; it would occasionally "stick" on one temperature for a while. I cleaned the sensor and that seems to have helped. I cleaned mine when I removed it with the radiator shroud when I cleaned the radiator. That way I could easily get to the front and back, but I'm sure removal of the sensor is not necessary. I cleaned it with cotton swabs dipped in clean water. It was a lot more dirty than it looked. I think it was helpful to clean both front and back.

Since cleaning the sensor, I haven't noticed the readout stick like it used to, so I think that might have helped.
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