Question about 2002 Dodge Dakota Club Cab

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I need to replace the Coolant Temp Sensor. Where is it on my 2002 Dodge Dakota Sport Truck 3.9 L ? Here is my problem, engine temp gauge is going to hot right after I start it after being outside all night. I already changed the t-stat and still the same problem.

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The temp sensor is on or next to thermostat housing.

Posted on Mar 30, 2011


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Engine temp gauge not reading and ac will not turn on due to engine hot warning, diognostics say its a sensor, need to know which one and can i do it myself?2003 saturn vue

What diognostics say its a sensor ?????? No diagnostic's ever tell's you it's a sensor . You as a technician would need to prove that by testing electrical circuits , viewing coolant temp sensor . Hooking scan tool and trying to command the gauge with by directional control . The temp gauge not showing any temp. ? No movement ? Engine Coolant Temperature Gage Inaccurate or InoperativeStep Action
Schematic Reference: Instrument Cluster Schematics
Did you perform the Instrument Cluster Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Instrument Cluster
Install a scan tool.
Turn the ignition ON, with the engine OFF.
With the scan tool, perform the Lamp and Gauge Check in the IPC Special Functions list.
Does the engine coolant temperature gage move up and down when commanded?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
Replace the IPC. Refer to Instrument Cluster Replacement .
Did you complete the replacement?
Go to Step 4
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2
Would hate for you to replace the coolant temp sensor an find out that's not the problem ! Does the vehicle start an run good ,trans mission shift good ? If so it's not the coolant temp sensor .
Engine Coolant Temperature Gage
The ECM sends coolant temperature as determined by the coolant temperature sensor to the BCM via CAN serial data. The IPC displays the engine coolant temperature with the gage when the BCM sends a class 2 message to the IPC indicating coolant temperature percentage. The engine coolant temperature gage defaults to cold (0°) or below if:
• The ECM detects a malfunction in the engine coolant temperature sensor circuit.
• The IPC detects a loss of class 2 communications with the BCM.
• The BCM detects a loss of CAN communications with the ECM.

Aug 19, 2017 | AC Cars & Trucks

1 Answer

I have a 2004 dodge dakota 2wd, manual transmission with the 3.9ltr v-6. I replaced the old valve cover gasket's and when i started t engine the temp light went on, the temp gauge to to red and the fan a/c...

It sounds like you have a wire or wire bundle pinched somewhere causing an open or a short. As you just replaced the valve cover gaskets, check very closely in all areas that you worked on for the routing and proper security of wires and bundles.
Not that it makes any difference in your issue, but didn't the Dakota go to a 3.7L V6 in 2004 (as opposed to the 'old' 3.9L)?

Jul 26, 2017 | 2004 Dodge Dakota

1 Answer

I have a 2004 dodge dakota 2wd, manual transmission with the 3.9ltr v-6. I replaced the old valve cover gasket's and when i started it the engine temp light went on, the temp gauge jumped to the red line...

Sounds like a short to ground on the temp sensor circuit. What happens if you leave the sensor unplugged ? It should set a code in the engine computer.

Jan 27, 2014 | Dodge Dakota Cars & Trucks

3 Answers

I Have a 1992 dodge dakota And my temp gauge does not move. Do you know whats wrong with it

find temp sender turn key on and disconect wire from sender and earth it if guage moves to hot sender falty, if not guage faulty, or broken wire,or no power to guage

Aug 14, 2011 | 1992 Dodge Dakota

1 Answer

Where is the location of the coolent temp. sensor on a 04 dodge truck v6 3.7 . I need to replace it.

Dodge Dakota 3.7L v6:

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Fig. ECT sensor location-3.7L, 4.7L engines.

icn_arrow.gifBack to Top Inspect/Test/Replace Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.

  • Disconnect the negative battery cable.
  • Unplug the ECT.
  • Then, unscrew it.
  • Reverse the removal procedures to install the new part.
  • Connect the negative battery cable to the battery.

Feb 15, 2011 | 2004 Dodge Ram

1 Answer

I have a 96 Dakota. Was not getting any heat in the cab even though the temp gauge showed the engine being hot. Started with a thermostat replacement. After doing that, the temp gauge does not work and...

Did you run the vehicle with rad cap off, and heater on (not defrost) while you were refilling cooling system? You really need to bleed the air out for a while, after, and that's why you need to allow thermostat to open and circulate coolant through the rad 2 or 3 times before putting cap back on, and add coolant as needed while doing it. If your 100% sure thermostat was installed correctly, then maybe you knocked wire off coolant switch or sensor while doing the job?

Dec 03, 2009 | Dodge Dakota Cars & Trucks

1 Answer

02 dodge dakota 4.7 when trying to start when cold out side sounds like its out of gas if you step on the gas it will start but run real rough and once you take your foot off the gas the truck dies

have seen a coolant temp sensor or throttle position sensor cause this..if you get scanned and watch these sensors while starting..coolant temp sensor may be setting a code or reading much colder temp than actual..i hope this helps

Nov 15, 2009 | 2002 Dodge Dakota Club Cab

1 Answer

Inaccurate temp gauge

change the thermostat it is stuck open
rank & vote

Dec 16, 2008 | 2001 Dodge Ram 1500 Truck 2WD

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