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23:08:53 - 12/19/2024
V6 Dakotas
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J and J Auto
Dodge Dakota
JOIN HERE
8/28/2003
07:24:42
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 Subject: Temp Sensors & Table
IP: Logged
Message:
You can use the table to calibrate a IAT adjuster
or check your sensors
There are 3 temp sensors on the OBD systems all 3
function the same way varying the resistance and
changing the signal voltage to the computer.
A quality digital volt ohm meter is a invaluable tool
when checking these sensors.
The best way to check these sensors is on a cold
vehicle going by outside air temp. If its 68 degrees
outside you should read a resistance of 11,370 to
13,610 Now warm your vehicle and again retest
the resistance. 194 degrees 860 to 970 ohms
Incoming Air Tempeture (IAT) fuel & timing
Coolant sensor fuel & timing
Trans Temp Sensor O/D shift
If any of these sensors are bad it will effect
the way your motor runs and how your trans shifts.
Print the table and keep it handy for testing
these sensors.
Here is a table of the resistance readings and
corresponding tempeture
Deg. F.....Min Ohms.........Max Ohms
-40..........291,490..........381,710
-4............85,850...........108,396
14............49,250...........61,430
32............29,330...........35,990
50............17,990...........21,810
68............11,370...........13,610
77............9,120............10,880
86............7,370............8,750
104...........4,900............5,750
122...........3,330............3,880
140...........2,310............2,670
158...........1,630............1,870
170...........1,170............1,340
194...........860................970
212...........480................540
248...........370................410
Larry
J&J Auto
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J and J Auto
Dodge Dakota
JOIN HERE
8/28/2003
07:52:01
| RE: Temp Sensors & Table
IP: Logged
Message:
I think that JpnPa or what ever has a superiority
complex and just can not take being ousted by
anyone.
Strange he never came back to defend his claims,
I think I scared him away LOL as did everyone else
who posted.
Must have been a boy, I just wanted to realy piss
him off as he did me
Larry
J&J Auto
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whitedakota2
Dodge Dakota
JOIN HERE
8/28/2003
13:15:28
| RE: Temp Sensors & Table
IP: Logged
Message:
Hey thanks Larry. I can setup some marks on the IAT adjuster I am building.
By the way, the "boy" is probably out playing with his Spongebob Squarepants doll. LOL
|
93Dak
Dodge Dakota
JOIN HERE
8/28/2003
21:35:53
| RE: Temp Sensors & Table
IP: Logged
Message:
Thanks Larry!! I was just thinking about changing out the temp sensors. My 93 Dakota doesn't run so well, and idles low in stop and go traffic. I am thinking that either the coolant temp sensor or the temp sensor on the intake manifold is incorrect. Any idea on which one goes bad more often?
Thanks
|
Shank
GenII
8/29/2003
09:47:31
|  RE: Temp Sensors & Table
IP: Logged
Message:
My experience is the one in the manifold under the Alternator. Had 2 go bad already. Only $6 each.
Good luck,
Shank
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