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Kevin Stowell Posted on May 02, 2014
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Where is coolant temperature sensor on 1999 camero

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Michael Anderson

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  • Oldsmobile Master 799 Answers
  • Posted on May 23, 2014
Michael Anderson
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Joined: Jan 18, 2009
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Chevy Temp sensors are almost always located either on the thermostat housing or on the intake manifold very close to it. Follow your top radiator hose down to the thermostat housing. It will be in that vicinity. Looks like a brass fitting with a wire clip coming off of it. Kinda resembles a spark plug. May be covered by a heat shield.

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emissionwiz

Marvin

  • 85242 Answers
  • Posted on Oct 21, 2008

SOURCE: coolant temperature sensor location for 1999 Dodge Durango

The sensor is right next to the heater hose outlet on the front passenger side of intake manifold. It is very small with an oval shaped connector going to it. I have the same engine.

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Anonymous

  • 120 Answers
  • Posted on Jul 09, 2009

SOURCE: where is the coolant temperature sensor on a 1999

Good Day
the ECT sensor is located on the cyl head near the coolant outlet, so if you are looking at the eng from the front of the car stand in the middle you will see the rad put your left hand on the rad then with your hand on the rad(left side) move your hand towards the back of the eng approx 6" the ECT will be around that area:
if you are replacing the ECT after putting the new ECT in warm the eng until the coolant fan turns on and off twice.
I hope this helps

Cheers

Anonymous

  • 119 Answers
  • Posted on Jul 14, 2009

SOURCE: replacement of coolant temperature sensor

located under intake in water crossover pipe,you can access the sensor by removing intake chamber box,then pcv hose connected to the block,the connector is orangeish 2pin,use a 19mmdeep socket on a 3/8 ratchet to get it loose,make sure engine is cool,also make sure there is a new brass washer with your new sensor,sometimes the old washer comes off when removing the sensor,sometimes it sticks to the pipe,some coolant will escape so make sure to top it off

jeffbvegas1

Jeff Barton

  • 520 Answers
  • Posted on Aug 12, 2009

SOURCE: where is the coolant temperature sensor

These are located in the cylinder head in the back of the head...meaning 180 degrees from the belts and pulleys(front) or the side the transmission is on. Two sensors exist...the single wire sensor is for the dash gauge. Saturn pn# 21025106 is the one you need

Anonymous

  • 11896 Answers
  • Posted on Oct 23, 2009

SOURCE: I cant find my engine coolant temperature sensor

On or next to thermostat housing. You can go to autozone.com and register fro full free online repair manual

Testimonial: "thanks alot"

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1answer

2010 dodge grand theft coolant temperature sensor location

The Engine Coolant Temperature Sensor is located in the coolant pipe, below the air intake pipe and behind the right cylinder head and is integral with the ECT sensor. The Engine Coolant Temperature Sensor is located on the back of the right cylinder head and is integral with the ECT sensor.
https://www.autozone.com/repairguides/Audi-Cars-1999-05/Component-Locations/Engine-Coolant-Temperature-ECT-Sensor/_/P-0900c152801c0f85
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I need the easiest possible directions to replace the coolant temperature sensor in my 1999 Chevy Lumina ltz 3.8 v6 car please.

The coolant sensor temperature is usually found just beneath the cylinder head, on the engine block.

You just disconnect the 1-2 wires and then undo it with a wrench.
The sensor will look like one of these:
1999 Chevy Lumina ltz 3 8 v6 coolant temperature sensor Google Search

Just be aware .. you may have TWO such sensors on your vehicle.

One sensor (usually with 3-4 electrical pins) is near the thermostat and works in conjunction with other sensors to regulate fuel/air according to engine temperature.

The other type of sensor is in the block near the cylinder head. It sends a signal to the temperature gauge on your dashboard ONLY. If your temp gauge constantly reads too hot or too cold .. this one is the culprit.25939754-r0ibht2u2t2rhetbyfvb2pry-5-0.jpg
If it's a running fault .. speed .. rough running .. fuel. It may look like this:
25939754-r0ibht2u2t2rhetbyfvb2pry-5-1.jpg
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Corolla, 1999, P0125

P0125 TOYOTA - Insufficient Coolant Temperature for Closed Loop Fuel Control

Possible causes- Low engine coolant level
- Leaking or stuck open thermostat
- Faulty Engine Coolant Temperature (ECT) sensor
- Engine Coolant Temperature (ECT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor electrical circuit poor connection
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I cannot locate the wiring harness that the engine coolant temperature sensor comes out of in a 1999 oldsmobile alero 3400.

ENGINE COOLANT TEMPERATURE SENSOR WIRES COLOR YELLOW AND BLACK.WIRE HARNESS NEAR THE THERMOSTAT HOUSING.
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Where can i find the ect sensor on my 1999 cadillac deville

Click over pic for zoom...

zjlimited_1119.jpg

Fig. Showing the location of MAP Sensor and other components on the front of the engine: 1. Manifold Absolute Pressure (MAP) Sensor; 2. Idle Air Control (IAC) Valve; 3. Engine Coolant Temperature (ECT) Sensor; 4. Throttle Position (TP) Sensor

zjlimited_1120.jpg

Fig. Engine coolant temperature sensor (1).
1helpful
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98 Camero overheats when driving slow or stop, ok

You need to get the cooling fan checked,it may need a temperature sensor,fan relay or the fan motor may be burnt out.You can check the fan by running your own power and ground to the plug that comes out of the fan motor,unplug it and put the ground to the black wire and positive power to the other one,if it works then the next step would be to check the fan relay.The most common problem if the fan doesn't work but can be made to work with jumper wires is the temperature sensor,you can check it by unplugging it and jumping the wires in the plug.If the rad fans work then you are down to either the water pump or a plugged radiator,a rad shop should be able to narrow it down for you.
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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.
3helpful
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Hi my 1999 1.8T beetle has CEL p0116 and P1196. I've tried fixing my P0116 problem which is temp sensor coolant range per. I've replaced my faulty blue sensor (the square one) with the new green sensor....

P1196=Oxygen Sensor Heater Circuit,Bank1-Sensor1 Electrical Malfunction,
this is the exhaust on the drivers side,and the O2 sensor before the converter.

P0116=ECT, this is the Engine Coolant Temperature switch,NOT the temperature sending unit.
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Where is the temperature sending unit on a 1999 VW Passat located.

VW Passat & Audi A4 1990-2000

Motronic System
The Engine Coolant Temperature (ECT) sensor is mounted in the water outlet on the back side of the head. If you vehicle still has a original VW part it will be black in color with a four terminal connector. This device signals the engine management system with the current coolant temperature, the ECU takes this information and uses it to control other such circuits as the idle speed, knock control system, oxygen sensor circuit, exhaust gas recalculation, and fuel tank venting. It is also important to note that if at any time ECU does not receive a signal from the ECT it will substitute a value of 176°F (80°C).

VR6
The Engine Coolant Temperature sensor is mounted in the thermostat housing. The body of the sensor will be blue and the sensor will be blue and have two terminals if it is an original factory VW part.


The engine coolant temperature gauge uses a heat sensitive sending unit to transmit an electrical signal to the gauge. The sending unit is a heat sensitive variable resistor that is located on or near to the cylinder head and threads into an engine coolant passage. The sensors are a Negative Temperature Coefficient (NTC) type. As the temperature increases, the electrical resistance of the sensor decreases. As the coolant temperature changes, so does the resistance of the sensor. The gauge is calibrated within the operating range of the sensor and interprets the resistance value to display the coolant temperature.On models produced prior to 1994, the engine coolant gauge temperature sensor is a single wire terminal sensor.

Beginning with model year 1994, the engine coolant gauge and the Engine Control Module (ECM) temperature sensors were combined into one sensor with 4 terminals. The basic operation remains the same in that their resistance decreases as the coolant temperature increases, however the actual resistance values of the 2 sensor circuits are different. The electrical connector of the 4-wire terminal sensor (1 and 2) is keyed to prevent improper connection of the sensor's electrical circuit.

WARNING When trouble shooting electrical components, always consult a wiring diagram for the particular year, make and model to ensure proper test equipment connection and diagnosis. Failure to use suitable test equipment and testing methods could permanently damage the electrical component(s).

225902c.jpg

Fig. Beginning with model year 1994, the Engine Coolant Temperature Sensors combined the sensors for the ECM and the gauge into one sensor-1997 2.8L V6 sensor shown


2ae243e.jpg

Fig. The electrical connector for the combined temperature sensors is keyed to avoid improperly connecting the sensor's wiring-1997 2.8L V6 connector shown

I hope help you with this, good luck (remember rated this help).
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