Question about 2004 Chevrolet Impala

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How to change a engine coolant temperature sensor on a 2004 Chevy Impala

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6ya6ya
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Posted on Jan 02, 2017

mechanicm639
  • 253 Answers

SOURCE: location of engine coolant temperature sensor on

It is a 2 wire seneor under the throttle body. You will have to remove the air breather and it will be a brass/black plastic sensor. A 3/4 socket will fit it.Good Luck

Posted on May 19, 2009

  • 1 Answer

SOURCE: Reset my engine oil low in 2007 chevy impala

you sould be able to reset that from the dash ,these options beside the dash go to the end and when you get to oil and % press on the checkmark and that would do the trick.

Posted on Jul 18, 2009

  • 335 Answers

SOURCE: where is the coolant temperature

Hello and welcome. here is a picture of the coolant sensor. the coolant sensor is mounted just below the thermostat housing in the intake manifold.





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Posted on Oct 04, 2010

rockitman187
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SOURCE: locate engine temperature coolant sensor on jetta TDI 2004

This is it.8c0bf30.jpg

Posted on Jan 08, 2009

  • 521 Answers

SOURCE: Coolant Temperature Sensor location on 2006 impala

driver side of the engine block, forward and above the transmission. This piece threads into the engine block.

Posted on Jul 22, 2009

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I have a 2001 chevy impala with a 3400 v 6. when the engine is cool the fans run but when the engine reaches operating temp the fans go off.


If the check engine light is not on, I would want to check the computer with a scanner to see what the temp sensor is telling the computer the coolant temp is. The problem could be in the computer or the fan relay.

Sep 05, 2012 | 2001 Chevrolet Impala

1 Answer

Code 1 senser P0118 on a 2004 V.W beetle dicesel


P0118 for Volkswagen - (ECT) Engine Colant Temperature Circuit High

Symptoms:- Engine Light ON (or Service Engine Soon Warning Light)

Possible causes:
(Inspect the following... Repair/Replace if necessary)
- Low engine coolant level
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
- Faulty Engine Coolant Temperature (ECT) sensor
- Faulty engine coolant thermostat

P0118 VOLKSWAGEN Description: The Engine Coolant Temperature (ECT) sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the Engine Control Module (ECM). The modified signal returns to the (ECM) as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.
When is the code detected?:When an excessively high voltage from the sensor is sent to ECM.

I hope this helps! Let me know if you need further assistance.

Mar 08, 2012 | Mercedes-Benz C Cars & Trucks

1 Answer

Change thermostat on 2004 chevy impala?


first you need drain engine coolant down below thermostat. what engine type 3.8 or 3.4 need to know.the 3.8 engine thermostat housing on top intake follow top radiator hose to thermostat housing.the 3.4 engine you have to remove air filter housing with air inlet duct with mass air flow sensor.you have to remove throttle body with coolant hoses.go to auto parts store buy new throttle body hoses old ones will be hard to remove might have to cut two small hoses also buy new throttle body gasket also. before you can remove throttle body unit you have to remove accelerator cable and downshift cable from bracket bolted to throttle body.once throttle body remove then you can remove thermostat housing bolt remove replace thermostat.

Nov 11, 2011 | 2004 Chevrolet Impala

1 Answer

Where is the engine coolant temperature sensor or ECT on a 2003 3.4 leter chevy impala


Follow the upper radiator hose to the engine. Right where it goes to the engine (thermostat housing) there should be a brass screw-in sensor with 2 wires coming from it. Thats it.

Sep 01, 2011 | 2003 Chevrolet Impala

1 Answer

I have a 2004 Chevy Impala. As I was driving home yesterday I had the heater on full blast - temp outside appx. 60. The check engine light came on and I had a P0128 code. Could this be due to keeping...


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. Similar codes: P0125

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


REFERENCE: http://www.obd-codes.com/p0128


I hope this helps a bit!

Jan 11, 2011 | 2002 Chevrolet Venture Passanger

2 Answers

The hot coolant guage goes up and down


Check the coolant level when the engine is cold. If it's correct there may be a loose/dirty connection at the temperature sensor. The location differs depending on the engine.

Feb 10, 2010 | 2004 Chevrolet Impala

1 Answer

Chevy impala engine hot a/c off light just came on


YOUR ACTION IS REQUIRED:
If the engine is not really overheating and not low of coolant.
IF IT IS DO NOT CONTINUE TO RUN THIS VEHICLE.

RECOMENDATIONS: Sight unseen.

Replace the temperature sensor.

The Failed temperature sensor has a zero reading for the Control board, without this reading the car starts running in limp home mode or Default and assumes the engine is running hot, first thing to go is your comfort... The AC.
In addition starts the engine cooling fan to running full time.

Hope this tip helps.

r/
David

Jan 24, 2010 | 2006 Chevrolet Impala

4 Answers

2004 Chevy Impala no heat from defrost or heater


No heat is often a symptom of low coolant, usually followed by overheat. There are other controls that regulate heater, but right now, re-fill the cooling system with engine running and heater on high, then check for leaks (coolant you lost went somewhere...you need to determine where) Low coolant will damage your engine. Take care of that first, then if heater still does not work, then do diagnosis on that. (if you loose the engine heat won't matter, will it!)

Sep 22, 2009 | 2004 Chevrolet Impala

2 Answers

Coolant Temp Sensor


there are two coolant sensor i found the one by the thermostat where is the secound one located at on my 1995 chevy impala

Jun 11, 2009 | 1995 Chevrolet Impala

1 Answer

P0128 code


Unless the car is overheating you probably just have a bad temperature sensor probably located on the intake manifold....

Apr 03, 2009 | 2002 Chevrolet Impala

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