Question about 2002 Chevrolet S-10

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I need to replace the coolant temperature sensor on my 02 S-10. Can you tell me how?

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What engine?

Posted on Dec 13, 2009

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Where is the engine coolant temperature sensor low input located on a kia 2007 spectra


Not low input sensor...P0117 KIA - Engine Coolant Temperature Sensor 1 Circuit Low Input

Possible causes
Low engine coolant level
Faulty Engine Coolant Temperature (ECT) sensor
Faulty engine coolant thermostat
Engine Coolant Temperature (ECT) sensor harness is open or shorted
Engine Coolant Temperature (ECT) sensor circuit poor electrical connection

Just replace coolant temperature sending unit....
11_14_2017_9_19_36_pm.jpeg

Nov 14, 2017 | Kia Cars & Trucks

1 Answer

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
Yes
No
Schematic Reference: Instrument Cluster Schematics
1
Did you perform the Instrument Cluster Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - Instrument Cluster
2
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
3
Replace the IPC. Refer to Instrument Cluster Replacement .
Did you complete the replacement?
Go to Step 4
--
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 2008 PT Cruiser; getting P0128 code; I've changed thermostat & temperature sensor; I have to fill the anti-freeze container every 2 weeks; temperature hand will not always be at half way point. ...


This means that the engine's PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. The intent of the P0128 code is to indicate a faulty thermostat. In determining the engine did not reach a "normal" temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle.
A code P0128 may mean that one or more of the following has happened:
  • Low engine coolant level
  • Leaking or stuck open thermostat
  • Faulty cooling fan (running too much)
  • Faulty coolant temperature (ECT) sensor
  • Faulty intake air temperature (IAT) sensor
Past experience indicates that the most likely solution is to replace the thermostat. However here are some suggestions on troubleshooting and repairing a P0128 OBD-II code:
  • Verify coolant strength & level
  • Verify proper cooling fan operation (check if it's running more than it should). Replace if necessary.
  • Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary.
  • Verify proper intake air temperature (IAT) sensor operation, replace if necessary.
  • If the above items check out good, replace the thermostat
you have all ready replaced the thermostat with the proper temperature opening thermostat(hopefully) and coolant sensor, you say you have to refill the coolant every 2 weeks this indicates that you either have a coolant leak that needs to be checked out and repaired or you are burning coolant which indicates a possible head gasket problem which will have to be checked. a low coolant level will set this code as there is not enough coolant in the engine to get the engine to operating temperature and stay there. these last suggestions is where I would start to look.

Sep 24, 2014 | 2008 Chrysler Pt Cruiser

2 Answers

Could you tell me where the coolant temperature sensor is located at on an inline 6, 4.0L 2003 Jeep Grand Cherokee Laredo?


zjlimited_1234.jpg

Fig. The coolant temperature sensor is installed in the thermostat housing (click image for zoom).
  1. Partially drain cooling system until coolant level is below cylinder head.
  2. Disconnect coolant temperature sensor wire connector.
  3. Remove sensor from thermostat housing.
Hope helps (remember to rate ths answer).

May 12, 2011 | 2003 Jeep Grand Cherokee

1 Answer

Where is the coolant sensor located


COOLANT SENSOR. Usually located on the cylinder head or intake manifold, the coolant sensor is used to monitor the temperature of the engine coolant. Its resistance changes in proportion to coolant temperature. Input from the coolant sensor tells the computer when the engine is warm so the PCM can go into closed loop feedback fuel control and handle other emission functions (EGR, canister purge, etc.) that may be temperature dependent.

May 31, 2010 | 1999 Dodge Durango

1 Answer

Whenthe car is cold there is no power however when it is warm it seems fine please help many thanks


This sounds like your coolant temperature sensor needs to be replaced. Not the sensor for your dash gauge, but the one which tells the computer the temperature of the engine's coolant. (I'm only telling you that because auto parts stores mess it up all the time! :) The sensor is generally located near the thermostat housing. It's easy and fairly inexpensive to replace. (Probably around $20.)

I hope this helps! :)

Jan 11, 2010 | 2002 Kia Sedona

1 Answer

98 Dopdge Caravan won't start when temperature around freezing . When outside temperature rises one or two degrees it will start on first try


The coolant temperature sensor will report the engine temperature to ECM so it can send signal to open the cold start valve. If the sensor is not reporting correct temperature, the ECM won't tell the cold start valve to open for extra fuel to start hence the car is not start. Replace the coolant temperature sensor will take care of the symptom.

Nov 10, 2009 | 1998 Dodge Caravan

1 Answer

They tell me I need a coolant temperature sensor


you might have 2 coolant sensors one for the gauge and one for pcm, and if you stop by a part store like autozone they will give you a print out of locations of one or both. did they tell you that you only had one ? ask the part store how many they are showing for your car when you go they will tell you. then find out which one they want you to replace

Jun 15, 2009 | 2006 Hyundai Sonata

1 Answer

99 honda odyssey coolant fans turn too late


You might need a new ECT - engine coolant temperature sensor. If it's not reading the correct coolant temperature it's not going to tell the fan to turn on when it should.

Is the check engine light illuminated? I'd bet the ECT needs replacement.

Dec 17, 2008 | 2002 Honda Odyssey

1 Answer

1995 Audie A90 Coolant Temperature Sensor replacement


It's located under the hood, driver side, upper engine area, mounted on rear of engine block behind cyl. head.

Dec 09, 2008 | 1995 Audi 90

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