Temp. sending units. - Dodge Durango Forum and Dodge Dakota Forums
5.2L/5.9L/6.7L Engines Questions regarding the 5.2L/5.9L/6.7L V8 Engines

 
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post #1 of Old 01-21-2012, 02:11 AM Thread Starter
ol' grouch
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Temp. sending units.

The 5.9 has two temperature sending units. Heading home tonight I was bebopping along and noticed the CEL was on. All my gauges read fine so I stopped to get something to eat and flipped the key to get the codes. When I got home the code came up as "engine too cool for too long". Since I was in the proiper operating range for a 5.9, I figure the sending unit that talks to the computer isn't reading right. There are two sending units. Does anybody know which is for the gauge and which for the computer?

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post #2 of Old 01-21-2012, 02:31 AM
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On what year of 5.9? I never knew the 5.9 had two, I know my 98 3.9 only has 1.

But I have replaced them before, they weren't but like 8 bucks each? Might as well replace them both if they are the same price for your truck.

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post #3 of Old 01-21-2012, 04:22 AM
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Hmmm... My 98 5.9 has one sender.

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post #4 of Old 02-02-2012, 03:21 AM
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my ol 99' 5.2 had one sender. And not to come off as a jerk, but just unplug one of the senders, if its the gauge one, you'll throw a check gauge light.

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post #5 of Old 04-27-2012, 01:31 PM
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My 1997 Dodge Ram with a 5.9 has two senders. I believe its the one closest to the thermostat housing.

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post #6 of Old 04-27-2012, 01:32 PM
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Just pull the plug off the sender. The gauge will immediately quit working.

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post #7 of Old 04-28-2012, 02:19 AM
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code set because t-stat is faulty...engine stayed below programmed temp too long..

The sender for the gauge will have one wire to it....sender for ECM will have 2 wires to it...

replace t-stat with correct heat range and you should be good to go

Bryan

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