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The temperature gauge doesn't move even when the engine is warmed up

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My car wont go in between the hot and cold meter


engine - Car temperature displaying below Cold or just ...

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Jun 25, 2012 - Today I was boiling inside my car as it was a very hot day and my ...cold, it almost never goes up to even 1/4 of the temperature gauge, the ... Where I live, it's hot enough that even with the thermostat wide open the engine won't stay at C.. ... How to Match Skin Color Between Pictures Of The Same Person In ...

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Dec 01, 2015 | 2002 Acura RL 3.5

1 Answer

Temp. gauge don't move past half on 1996 VW Jetta


Sounds normal. If the gauge moved further over, it would indicate an overheating problem, wouldn't it? Check that engine is at normal operating temperature after it warms up. If it is running too cold, your thermostat might be stuck open.

Feb 25, 2013 | 1992 Volkswagen Jetta

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Coolant gauge has stopped working


I'm not a Peugeot expert, but do you know if the engine is warming up normally ?
The thermostat could be stuck open, or the engine could be low on coolant, or the sending unit for the gauge may have failed. If the engine is warming up you should be able to ground the wire to the sender and watch the gauge move.

Dec 11, 2012 | Peugeot Cars & Trucks

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Engine temperature gauge low


I would suspect the thermostat first.

Aug 17, 2017 | 2002 Dodge Grand Caravan

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Temperature gauge not working


remove temperature gauge sender and clean, then recheck.

Oct 10, 2012 | 1997 Buick LeSabre

1 Answer

My temperature guage doesn't work at all


If you know the engine is warming up, and the cooling system is full, and you replaced the temp sender for the gauge and not the one for the engine computer if equipped, the problem may be in the instrument cluster on the dash.

Jul 24, 2012 | 2005 Chrysler 300

1 Answer

2000 malibu runs hot if not warmed up


How do you know it gets hot? Are you going by the temperature gauge on the dash? Or have you checked under the hood and found out the engine really is running hot? ...Reason I ask is, something just doesn't sound right in your description. After just 5 minutes from starting and driving away, the engine would not yet be at normal operating temperature. That would explain the heater not yet warm. But the temp. gauge says hot?
If so, I would replace the temperature sending unit on the engine. the one for the dash gauge, and see if that was the problem-not reading the temp. accurately.
Couple of other things: Are you sure you got all the air out of the coolant system? Start the car with the radiator cap off and let it run until the engine is warmed up fully, then shut it off and install the cap. Does your reservoir tank stay about half full where it should be, between the full-hot and full-cold marks?
If your problem persists. I would have the coolant system pressure tested, and see if you could get a true temperature reading of the coolant when it seems to be running hot.
Good luck.

Mar 05, 2012 | Cars & Trucks

1 Answer

Temperature needle stays on the hot , have changed temperature sensor but it still stays on the hot and the engine is not overheating or leaking anything..what is making it stay on the hot


replace the thermostat,, and make sure that the fan engages , just because the fluids don't boil over doesn't mean the temp isn't to high, if your saying that the temp gauge is stuck on the hot setting, and doesn't move even when the car is cold,, thats a different problem,, if thats the case whats the make , model , and year

Sep 11, 2011 | Ford Thunderbird Cars & Trucks

1 Answer

The temperature gauge on my 1999 Dodge Ram 1500 is not working. The temperature sensor and the thermostat have been replaced.


Check the gauge by holding in the trip odometer reset button and turn key to run,hold button for 10 seconds this will iniate a diagnostics on all the gauges,and lights if gauge doesn't move during this test replace gauge,if it does move then check the wires on the plug at the engine coolant temp sensor (ects) you can check the sensor by using a ohms meter by unpplugging it and check ohm's or resistance when cold and then start engine as the engine warms up the ohm's reading should gradually lower as the sensor is a thermister and as it warms up the resistance will drop.

May 24, 2010 | 1999 Dodge Ram

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

Apr 28, 2010 | 1995 Jeep Grand Cherokee

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