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Cobalt coolant temperature sensor diagram - Cobalt Chevrolet Cars & Trucks

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COBALT THE 2.2L AND 2.4L COOLANT TEMPERATURE SENSOR LOCATION IS LOCATED ON THERMOSTAT HOUSING.THE 2.0L ENGINE COOLANT TEMPERATURE SENSOR LOCATION RIGHT FRONT PASSENGERS SIDE CORNER OF THE CYLINDER HEAD NEAR THE VALVE COVER.

Posted on Aug 20, 2010

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Need a coolant temperature sensor wiring diagram for a 2004 pontiac grand prix gtp


Check engine light on ? The coolant temp sensor is a input to the PCM - engine computer ! All wires come from an go to the PCM . What type of problem are you having ? Maybe able to save you some aggravation an time chasing gremlins . Coolant gauge not working ?
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM) or the engine control module (ECM). The IPC receives a serial data message from the PCM/ECM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 100°F (38°C) if there is a malfunction in the engine coolant temperature sensor or the IPC detects a loss of serial data communication with the PCM/ECM.

But if you insist ,you can find free wiring diagram's here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine ! Under system click on engine ,then under subsystem click on fuel controls . Click the search button then the blue link. The second an third diagrams both show coolant temp sensors . Both go to the PCM .

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Where is etc sensor location on 08 chevy cobalt


Do you mean ECT (Engine Coolant Temperature) Sensor ?

Feb 07, 2017 | Cars & Trucks

1 Answer

2006 chevy cobalt the engine cooling fan is not coming on


Check with warm engine and off by touching on your radiator vents whether is in all places same temperature. If not check whether you have air in the coolant which needs bleeding,or not good coolant circulation,caused either by clogged radiator,not good water pump,or faulty thermostat.By having these things it is the possibility the fan switch not getting the correct temperature to allow the fans to start. the last thing if everything is working,the possible is the fan switch itself.

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1 Answer

Trying to locate coolant temperature sensor in 06 mazda 3


The coolant temperature sensor (ECT) is located on the coolant tube near the air filter housing, I have included a few diagrams to assist in helping you to locate this sensor. These diagrams are for the 3.0L engine.


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Here is the location if this is the 2.3L engine


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Sep 18, 2011 | 2006 Mazda 3

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My 2005 cobalts cooling fan only comes on when the a/c is one. i have a new fan, thermometer and my water pump is not leaking out water so i doubt its the water pump.


SOUND LIKE ENGINE COOLANT TEMPERATURE SENSOR OPEN OR BAD.HAVE THE ECT SENSOR CHECK WITH CODE SCANNER SEE IF ENGINE COOLANT TEMPERATURE SENSOR READING TEMPERATURE RIGHT.IF ENGINE COOLANT 200 DEGREES AND SCANNER SHOWS 80 TO 100 DEGREES YOUR ECT SENSOR BAD.

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1 Answer

Sensor keep coming in for code PO128 - insofficient ambient temp was does this mean how can i fix it


DTC P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
Do you have any issues with heat in the vehicle? If so the thermostat may need replaced If not the engine coolant temperature sensor is most likely reading incorrectly due to a bad sensor or connection to the sensor.

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1 Answer

2007 cobalt cooling fan runsonly when ac is on


probly need to replace the coolant temperature sensor

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1 Answer

2007 Chevy Cobalt with p0128 and "---" temp reading


The P0218 Code is primarily intended to indicate a faulty thermostat.
Have the thermostat replaced

Other possible causes that could trigger this code would be:
Low engine coolant level
faulty cooling fan
faulty coolant temperature sensor
faulty intake air temperature sensor


Sep 08, 2009 | 2006 Chevrolet Malibu

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