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06 hhr temp not reading but a/c works

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Old 03-19-2019, 04:27 PM
  #21  
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We’ll find out , the Stant that failed in mine would stay closed for to long, then it partially opened and would then close as it cooled off.
I tried on the kitchen range in a pot of boiling water , it opened after 8 minutes at 188 degrees F .
The AC Delco opened after 4 minutes at 180 degrees F , it opened more then the Stant .
The Moto Rad opened after 11 minutes at 187 degrees F about the same as the Stant.
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Old 03-19-2019, 04:55 PM
  #22  
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Very good test Blue.
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Old 03-19-2019, 05:01 PM
  #23  
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I wish my video recordings weren’t on my old Android phone, I lost a lot on that Samsung 7.
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Old 03-19-2019, 05:24 PM
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I don't know how a failure would show up after running 20 minutes. P0128 would be much quicker.
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Old 03-19-2019, 05:30 PM
  #25  
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Hmm, maybe didn’t clear the code?
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Old 03-19-2019, 06:03 PM
  #26  
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Originally Posted by Oldblue
Hmm, maybe didn’t clear the code?
That's where a good code reader comes in. It will give you the counts on each code. I was first taught that when working at the Cat dealer, always look into the most recent codes first. Don't assume.
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Old 03-19-2019, 06:15 PM
  #27  
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Precisely!
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Old 03-19-2019, 09:40 PM
  #28  
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By "counts" I assume you mean types. pending, current and permanent. Many times people will say "P0128 3 times".

Depending on the kind of code the first occurrence is pending, the second time is current the third is "permanent". Some permanent codes take 100 starts to clear after the current and pending have been cleared but it is only there for historical reasons, so the technician knows what has been going on.

Generally, not always, a pending code will not cause a CEL. A current code always cause a CEL. If ONLY a permanent code is present there will be no CEL.
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Old 04-04-2019, 06:44 PM
  #29  
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Help Oldblue!

Originally Posted by Oldblue
I’m not an employee of AC Delco, I just advise on facts, I have tried Stant, MotoRad and Duralast, all failed and that was within a short period of time , I sprung for tge AC Delco and , problem solved for over 7 years now , no code.
I see members post about their issues with thermostat and their testimony as to the AC Delco thermostat fixed they issue.
I changed the thermostat again, this time an AC Delco. It worked... for a couple days but now I am having the same issue. Reads cool and gauge shuts down.

Before I changed the thermostat for the second time I used a computer to read my coolant temperature just to be sure it wasn’t a faulty read but that was spot on...

Did I get a second faulty thermostat?
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Old 04-04-2019, 07:50 PM
  #30  
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Did you get AC Delco 131-158 the $30 one or the $15 one.
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