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Eot Ect readings

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Old Jun 22, 2012 | 05:05 AM
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Eot Ect readings

I just got my scan gauge yesterday and after drivng 1 hour with cruise set on 70 here's what I got.
EOT 186
ECT 139
THERMASTAT?????????????
 
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Old Jun 22, 2012 | 05:29 AM
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Originally Posted by swampfire79
I just got my scan gauge yesterday and after drivng 1 hour with cruise set on 70 here's what I got.
EOT 186
ECT 139
THERMASTAT?????????????
Yes,my first step would be to install a new thermostat and go from there. You should see 190+ ECT if things are as they should be.
 
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Old Jun 22, 2012 | 07:05 AM
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Yea. Thermostat is stuck open. Need new on.
 
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Old Jun 22, 2012 | 08:15 AM
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Also make sure that both readings are within a degree or two of each other after a cold soak overnight.
 
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Old Jun 22, 2012 | 08:38 AM
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There was a 20* difference this morning before starting
 
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Old Jun 22, 2012 | 08:49 AM
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Originally Posted by swampfire79
There was a 20* difference this morning before starting
Reprogram the scangauge before changing any parts. Ect/eot in the morning should be within 1 or 2 degrees. The one that matches ambient in the morning is the correct one.
 
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Old Jun 22, 2012 | 09:20 AM
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Originally Posted by 69cj
Reprogram the scangauge before changing any parts. Ect/eot in the morning should be within 1 or 2 degrees. The one that matches ambient in the morning is the correct one.
Good catch CJ!! I always take for granted that people verify the cold soak temps. Sorry Swampfire!!
 
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Old Jun 22, 2012 | 09:25 AM
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Everything with the 6.0 is new to me. Thanks for u guys
 
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Old Jun 22, 2012 | 09:59 AM
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I went back in and reprogrammed it. Now there is a 1* difference. I will see on the drive home how it does. I had the ect numbers wrong.
 
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Old Jun 22, 2012 | 10:15 AM
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Originally Posted by swampfire79
I went back in and reprogrammed it. Now there is a 1* difference. I will see on the drive home how it does. I had the ect numbers wrong.
NOW you're on the right track!!
 
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Old Jun 23, 2012 | 12:38 PM
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Since I put the right codes in spread is 6* - 8*
 
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Old Jun 23, 2012 | 01:36 PM
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great spread. keep ontop of the cooling system to make sure they stay that way
 
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Old Jun 23, 2012 | 05:59 PM
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Originally Posted by swampfire79
Since I put the right codes in spread is 6* - 8*
Glad to see you got it without spending any money.
 
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Old Jul 2, 2012 | 02:34 PM
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What is the average ect/eot max temp spread one should see UNDER EXTREME SERVICE and UNLOADED with this system? Just put in my scan gauge and programmed many xgauges.....trying to get an idea

Thanks
Joe
 
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Old Jul 2, 2012 | 02:40 PM
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Originally Posted by joe blow
What is the average ect/eot max temp spread one should see UNDER EXTREME SERVICE and UNLOADED with this system? Just put in my scan gauge and programmed many xgauges.....trying to get an idea

Thanks
Joe
No such thing. Deltas are only relevant when the system is totally heat soaked, 15 to 20 highway miles, on level ground cruising at highway speeds. 60 to 65 mph will suffice. Max spread should be 15*.
 
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