Question about 1995 Chevrolet Lumina Apv

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Where is the temperature sending unit - 1995 Chevrolet Lumina Apv

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Http://cgi.ebay.com/ebaymotors/TS188-WATER-TEMPERATURE-SENDING-UNIT-GAUGE-CARQUEST-_W0QQcmdZViewItemQQfitsZYearQ3a1995Q7cModelQ3aLuminaQ20APVQQhashZitem53e6a275eeQQitemZ360351692270QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories

check out ebay link above to see what it looks like...

ususally these units are located somewhere near the end of the upper rad hose, by the thermostat housing..

hope this helps

let me know.

Posted on Apr 03, 2011

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Temperature gauge on my Peugeot 207 keeps going from normal to 0 and staying there no leaks visible no coolant lose


Normal to COLD?
You would only lose coolant if the engine was overheating - or, as you say - a leak.

It's probably a faulty temperature sending unit - these are common failures. You actually have nothing to worry about. The unit sends a signal from the engine to your temperature gauge in the car. Even if the unit is faulty the engine is still operating at the correct temperature - it's the signal to the temperature gauge that is wrong.

Your temperature sensor will look something like in the image below:
26054640-ncuktxo4qw3omcx4ef1trshf-4-0.jpegIt's inexpensive and quick to rectify. A new sender unit can be fitted within minutes. Give a mobile mechanic a call ..

I read your question about the car heater.. No, the sensor wouldn't cause the heater to blow cold air. That fault is either air in the cooling system/heater system, or a blocked heater matrix.

Remove your radiator cap/coolant bottle cap. Open the heater controls to HOT and set on maximum. Start the engine and let it tick over - see if it forces any air out of the system when the heater should begin blowing hot.

If the heater still blows cold it may have a blocked matrix. Try a bottle of radiator/coolant system flush to see if that dislodges the blockage. The instructions will be on the bottle of coolant flush

Jan 15, 2016 | Peugeot Cars & Trucks

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Cooling fan wont turn on


you are expecting the wrong temperature unit to control the fan. The temperature sender unit controls the temperature gauge and the temperature sensor unit controls the fan operation. It allows current to go to the ECM and when a pre set temperature is reached the ECM activates a relay and the fan starts . Two completely different units to do two different jobs so if it is doing what you say then there is a possibility that the wires are crossed or shorted.

Jun 20, 2014 | 1993 Dodge Spirit

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Gage temperature


This car has a temperature sending unit on the engine, it sends the signal to the dash. check the temperature unit to see if it is working, if it is the gauge in the dash stopped working... These should both be covered under factory warranty

Jan 03, 2014 | 2010 Chevrolet Traverse

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Mazda temperature gauge


When the gauge doesn't work, you have to determine, is it the gauge on the dash or the temperature sending unit on the engine or a wiring problem. Try this: find the sending unit on the engine and pull the wire off it. With the ignition key on, touch the wire to a metal ground on the engine. Does the temp. gauge move? If it does, replace the sending unit. If it doesn't move, replace the temperature gauge on the instrument panel.

Dec 23, 2013 | Mazda B-Series Truck Cars & Trucks

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2000 nissan altima temperature gauge


there is a chance the cable could be froze

Oct 28, 2012 | Cars & Trucks

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When I try to start the engine a hot message comes on at the temperature gage area, is this a sending unit default and it will be cleared by replacing the sending unit?


Does it continue to indicate "HOT" after it has started, or does it then go out? Does the vehicle also have a temperature gauge in addition to the over temperature warning light?

If the coolant level is at the correct level and the belt(s) are are correctly in place, it's most likely a bad sending unit.

Might try disconnecting the wire from the sending unit and see if this will cause the light to not come on.

Jan 30, 2011 | 1995 Oldsmobile Ninety Eight Regency

1 Answer

Where is the temperature sending unit located on a 2000 chevy s10 2.2 four cylinder engine


The temperature sending unit is screwed into cylinder head. Careful you also have a coolant temperature sensor that threads into intake manifold. Temp sending unit is how your guage knows how hot your engine is. Coolant temp sensor is how your computer knows how hot or cold your engine is, so it can compensate fuel & air mixture.You can not put the wrong one in the wrong place, they will not fit. You change 1 for 1 reason & the other for another reason.

Jun 16, 2010 | 2000 Chevrolet S-10

1 Answer

Whats a temperature sending unit


a temperature sending unit measures the engine coolant temperature, and is used by the ECU to adjust engine fueling and also give the driver the engine temp via the gauge on the dash

Jun 07, 2010 | 2000 Nissan Frontier

2 Answers

The tempertature gauge does not work on my jeep what may be the problem?


Could be the coolant temp sensor:


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4.0L engine shown




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5.2L engine shown



To test it:

Perform this test on a cold or cool engine.
  1. Disconnect the negative (-) battery cable.
  2. Unplug the electrical wiring from the sending unit.
  3. Using an ohmmeter, measure the resistance between the terminal and the sending unit's metal body
    1. Infinite resistance or zero resistance: the sending unit is bad, replace the sender with a new one.
    2. Other than infinite or zero resistance: continue test.
  4. Remove the temperature sender from the engine.
  5. Position the sending unit so the metal shaft (opposite end from the electrical connectors) is in a pot of water. Make sure that the electrical connector is not submerged and only the tip of the sending unit's body is in the water.
  6. Heat the pot of water at a medium rate. While the water is warming, continue to measure the resistance of the terminal and the metal body of the sending unit:
    1. As the water warms up, the resistance goes down in a steady manner: the sending unit is good.
    2. As the water warms up, the resistance does not change or changes in erratic jumps: the sender is bad, replace it with a new one.
  7. Install the good or new sending unit into the engine, then connect the negative battery cable.
  1. With the engine cold, remove the ECT sensor.
  2. Immerse the tip of the sensor in container of water.
  3. Connect a digital ohmmeter to the two terminals of the sensor.
  4. Using a calibrated thermometer, compare the resistance of the sensor to the temperature of the water. Refer to the sensor resistance illustration.
  5. Repeat the test at two other temperature points, heating or cooling the water as necessary.
  6. If the sensor does not meet specification, it must be replaced.

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Submerge the end of the temperature sensor in cold or hot water and check resistance


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Temperature-to-resistance relationship of the ECT and MAT sensors

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2 Answers

Location of the temperature sending unit on a 1991 olds toronado


Ok, you have three sensors on this engine that work together to manage the temperature reading that are sent to the gauge. i recommend checking all three to be safe. i will list the sensors and, locations below.

1. Coolant temperature sensor- Under hood, driver side, upper engine area, above transmission bell housing, mounted in driver side end of intake manifold.

2. Engine Temperature sensor- Under hood, driver side, upper engine area, mounted on rear cylinder head

3. Temperature switch.- Under hood, center, lower engine area, above oil filter, rear of coolant temperature sensor, mounted in engine block




Jul 09, 2009 | 1991 Oldsmobile Toronado

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