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Engine coolant sensor location

Where is enegine coolant sensor for temp gage

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6ya6ya
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Posted on Jan 02, 2017

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leetamara
  • 702 Answers

SOURCE: Cooling fan wont work

The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.

Posted on Sep 27, 2008

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SOURCE: 2001 malibu 3.1 v6 cooling fans run all the time and temp gage

replace thermostat, this fixed my car, cooling fans keep coolant below temp guage parameters.

Posted on Feb 13, 2009

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SOURCE: need to know location of coolant temp sensor in 2003 Impala

Need more info. I see from the location of your post that you have a 2002 Blazer. Do you mean a Trail Blazer? Chevy didn't make a Blazer in 2002. The ECT (engine coolant temperature sensor) is located on the driver's side, front of the engine. (on top) It is between the ECM (engine control module aka the engine computer) and the alternator. You will most likely need to remove the alternator and it's belt to obtain easy access to the sensor. If you need to remove the alternator for access, remember to disconnect the battery's negative terminal first. The sensor has a wiring harness with a connector mounted to the top of it. After you remove the electrical connector, the sensor will screw out using a deep socket and ratchet. You will loose some coolant (antifreeze) during the change, so make sure you have some DexCool antifreeze on hand.
Charlie

Posted on Mar 04, 2009

  • 634 Answers

SOURCE: coolant fan temp sensor location on a 2003 chevy venture

located in thermostat housing or in intake nearby (where top hose connects from radiator to engine)

Posted on Jul 16, 2009

  • 3640 Answers

SOURCE: 99 Chevy malibu 2.4L engine coolant temp sensor

its at the end of upper radiater hose at housing for thermostat.

Posted on Aug 28, 2009

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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
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

TEMP GAGE JUST QUIT , AUTO ZONE PUT SCANNER ON IT CODES P0480 AND P0116 CAME UP , GOING TO change the temp gage sender , but i think something else is wrong , find out after i change tsu ,


code p 0480 refers to engine coolant blower motor 1 ---circuit malfunction=== causes ---wiring ---engine coolant blower motor ---ECM
code p 0116 refers to engine coolant temperature (ECT) sensor ---range b/performance problem ====causes coolant thermostat---poor connections---wiring---ECT sensor

May 07, 2017 | Cars & Trucks

1 Answer

I cannot seem to find the engine cooling temp sensor on a 2007 buick rendezvous


Hi Julia , why do you believe you need to find the temp sensor ? Temp gauge not working ? The cooling Temp sensor is a input to the PCM / ECM - engine computer .
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature (ECT) as determined by the powertrain control module (PCM) or the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the ECT. The range on the ECT gage is between 60-125°C (140-260°F). The ECT gage defaults to 60°C (140°F) or below if the PCM detects a malfunction in the ECT sensor circuit. Refer to Cooling System Description and Operation .
Would have DTC- diagnostic trouble code stored in Instrument cluster or the check engine light would be on . Before replacing a part you may not need take it to a qualified repair shop to have it diagnosed .

Apr 08, 2017 | Buick Cars & Trucks

2 Answers

We're is the coolant temperature sense located on a 2008 trailblazer lt


Hi Janice , Before I say where the coolant temp. sensor is I'd just like to make you aware of a couple of thing's before you replace this sensor needlessly .It's one thing if you have a DTC diagnostic trouble code for the sensor but another if your temp. gauge isn't work ! You see the coolant temp. sensor is an input to the engine computer , not directly to the temp. gauge.
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 100°F (40°C) or below if: ?€¢
The ECM detects a malfunction in the engine coolant temperature sensor circuit.


?€¢
The IPC detects a loss of serial data communications with the ECM.

Jan 01, 2016 | 2008 Chevrolet TrailBlazer LT

1 Answer

Where is the tempature guage sensor


The temperature gauge sensor as you call is for more then just the temperature gauge . The temp. sensor is an input to the PCM -engine computer ! If it were bad you would have drivability problems , the transmission would not shift correctly an the check engine light would more then likely be lit .
Engine Coolant Temperature Gage
The IPC displays the engine coolant temperature as determined by the PCM. The body control module (BCM) receives a class 2 message from the PCM indicating the engine coolant temperature. The BCM converts the engine coolant temperature into a percent gage deflection. The IPC receives a message from the BCM via the serial peripheral interface (SPI) indicating the requested gage position. The engine coolant temperature gage defaults to 38?°C (100?°F) or below if:
?€¢
The PCM detects a malfunction in the engine coolant temperature sensor circuit.


?€¢
The BCM detects a loss of class 2 communications with the PCM.


?€¢
The IPC detects a loss of SPI communications with the BCM.


Your gauge is more suspect then the sensor . gm had a problem with stepper motors that control the pointer for the gauge !

Sep 01, 2015 | 2001 Chevrolet Chevrolet Malibu LS

1 Answer

What does it mean on trouble code-22 engine coolant temp sensor out of range?


It means you have a bad coolant temp sensor. This part act like a choke would on old cars, and tells the ECU when the fuel mix needs to be richer because engine is cold. They can fail in different ways making the car run poorly when first started cold, or run poorly as the engine warms up because it tells the ECU enegine is still cold. Replace sensor, but note there are two on most cars noe. One with a single wire speaks to dash gauge--one with two wires speaks to ECU.

Jul 31, 2015 | Cars & Trucks

1 Answer

Temperture guage going up and then down loss of coolant as well


The temp gage is going up and down due to the lost coolant, this creates air bubbles that get around the engine coolant temp sensor, air doesn't transmit heat energy very well so the gage quickly drops. Have the cooling system pressurized with a special tool to locate the source of the leak. Common area of leak is the engine coolant pump driver shaft seal. Also look for white crusty looking stains, this is dried engine coolant.

Jan 16, 2012 | Volkswagen Passat Cars & Trucks

1 Answer

Where is the temp gage sensor location 2001 merk cougar


Hi there,

The temperature gauge relies on readings from the Engine Coolant Temp (ECT) Sensor.

The ECT sensor is usually located on (or near) the thermostat/coolant housing.

Refer to component No. 8 (2.0L Engine):

wolfman304_70.gif


Refer to component No. 9 (2.5L Engine) locate under bypass tube:

wolfman304_71.gif

Hope this helps.


Cheers,

Aug 27, 2011 | 2001 Mercury Cougar

1 Answer

99 oldsmobile cutlass fans only come on whn da a/c is running I've replace sa thermostat and one coolant temp sebsor watelse culd cause these problem


The drivers side fan is controlled by a engine temp sensor located just above the oil filter on a 3.1 V6. The fuse and relay are located on passenger side of engine in front of the coolant tank and under the crossbar. This fan will only come on when engine temp sensor tells it to, usually when the temp gage on the dash reads almost to hot.

The other fan is controlled by the A/C and should come on almost instantly when you turn on the A/C. Its fuse and relay are in the same spot as the other fans.

Hope this helps.

Aug 09, 2011 | 1999 Oldsmobile Cutlass

1 Answer

Temputure gage doesnt work


try replacing the coolant temp sender,here is a diagram for the 2.3 4cylinder engine its located at rear of engine, and if its a 5.0 engine it will be near oil filter.hope this helps.this diagram is for the 2.3 engine.there is also a diagram of the coolant temp sensor dont change this one, you want the sender,2a6394b.gif373f3c8.gif

Jan 26, 2010 | 1990 Ford Mustang

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