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Loaction of coolant temp sensor on 4.2 liter - 2005 Chevrolet TrailBlazer

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6ya6ya
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Posted on Jan 02, 2017

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shinehutt
  • 254 Answers

SOURCE: Check engine light on. Auto zone checked code and

  1. Drain the cooling system to a level below the ECT sensor.
  2. On 6.6L diesel engines, remove the alternator.
  3. Unplug the harness connector from the ECT sensor.
  4. Remove the ECT sensor from the engine.
  5. Installation is the reverse of removal. If reusing the old sensor, coat the threads with GM sealant 12346004 or equivalent. New sensors are already coated; additional sealant is not needed. Tighten the sensor to 15 ft. lbs. (20 Nm).
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  7. shinehutt_31.gif
  8. shinehutt_32.gif
here is the locations on three different engines wasnt sure your engine hope this helps if so comment or vote reply if you need more info

Posted on Jan 17, 2011

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1 Answer

Where is the engine temp sensor located in a 94 dodge spirit. 2.5 liter car


It doesn't show an 'engine temperature sensor' for that year, make and model
What you do have is a Coolant Temperature Sensor (there are actually one of each on other makes and models - an engine temperature sensor and a coolant {radiator fluid} sensor). Just doesn't appear to be a separate engine temp sensor for the 94 2.5. The coolant temperature sensor is the sensor that will make your temp gauge in the car move. It's location is - Under hood, center, front engine area, near distributor, mounted in driver side of cylinder head. I've attached a pic of the sensor for you.

You also have an intake air temperature sensor and an ambient air temperature sensor that tells the computer the temp in the vehicle's cabin. I can shoot you that info if your question wasn't answered above.



Good Luck & All The Best, Justin Lee

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Where is the heat sensor on a ford thunderbird 1997 4.6 liter


On the 4.6L, the coolant temp. sending unit is one of two at the front of the intake manifold. The one on the left is the coolant temp. sending unit(gauge). The one on the right is the coolant temp. sensor(computer).

Jul 09, 2014 | 1997 Ford Thunderbird LX

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Location of coolant sensor 2000 ford tarus station wagon 3.0 liter v-6


Not sure I follow you.
The engine temp sensor sends a signal to the engine computer and the computer decides when to activate the fan relays. So if you have power to the fans you would also have power to the high or low speed relay the temp sensor is probably working. There is a third relay for the ground circuit.

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Where is the engine coolant temp sensor located on a 2004 grand prix gt


On the 3.8 liter the coolant temp sensor is right below the the thermostat in the intake manifold on the drivers side of the engine.

The thermostat is under the housing that is bolted to the intake plenum that the upper hose is attached to.

Jan 18, 2012 | 2004 Pontiac Grand Prix

1 Answer

Have a 95 ford ranger 4 cyl need to know where coolant temp switch is located my gauge is inop i found coolant temp sensor for computor need one for the gauge


On the 4 cylinder motor (2.3L,2.5L), the coolant temp sensor can be located
on the left side rear of the engine, below the cylinder head.

A picture of a typical Coolant Temp Sensor (aka ECT) is below:

9_28_2011_3_19_48_pm.gif
Be sure to partially drain coolant below the level of the sensor to avoid spillage when removing the old part. Best of luck on your repair!
Greg

Sep 28, 2011 | Cars & Trucks

1 Answer

I have 2005 monte carlo it keeps over heating the cooling fans are not comming on I replaced the relays and its still over heating and I can't find the heat senser any help


The coolant temp sensor is on the thermostat housing at the back of the engine. See pictures below. Try taking the connector off the sensor--this should turn the fans on. If not, you may have a problem with power distribution to the fans. You can interrogate the relay sockets to verify that the PCM is sending a signal to turn the fans on. Please see my tip at http://www.fixya.com/cars/r6022358-relay_check on how to interrogate the relays. The PCM signal is a ground signal, so one of the socket terminals should be dead until the engine is hot--then it should become a ground. I have pasted the wiring diagrams below, but resolution on FixYa is not great. Please let me know if you have any questions.

3.4 liter coolant temp sensor location:

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3.8 liter coolant temp sensor location:

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Dec 12, 2010 | 2005 Chevrolet Monte Carlo

1 Answer

I have a 1995 isuzu pickup it giving me error codes 15 and 34 and I've already been to 3 repair shops and can't get it fixed can you give me some help


I have the manual for my 93 rodeo and code 15 says ENGINE COOLANT TEMPERATURE SENSOR-SENSOR SIGNAL SHORTED, GROUNDED OR OUT OF RANGE. Check your coolant sensor by the water neck-it sends a signal to your dash gauge (coolant temp)
Code 34 my book has 2 symptoms- if its a 3.1 liter engine it says MAP SENSOR-SIGNAL VOLTAGE LOW-CHECK INCORRECT IDLE SPEED, VACUUM LEAKS, LOOSE AIR DUCT, MAP SENSOR CIRCUIT
If its NOT a 3.1 liter engine, then code 34 is EGR TEMPERATURE SENSOR CIRCUIT-SHORTED

Hope this helps.

Mar 19, 2010 | 1995 Isuzu Pickup

2 Answers

Location of coolant temp sensor


where can locate the engine coolant temperture sensor.

Jun 20, 2009 | 1998 Cadillac DeVille

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