Question about Hyundai Motor 2002 Elantra

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Temperature gauge not working

2002 hyundai elantra

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  • splinta1968 Mar 08, 2009

    temperature sensor

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Check fuse for gauges check wireing

Posted on Mar 14, 2009

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I have Hyundai Elantra GT Manual transmission, the Temperature gage keeps going all the way to high yet the engine is not over heated, and once I change gear the temperature Gage drops to normal and t


Changing gears and the temp gauge have nothing in common. First, check the coolant level. If gets low an air pocket in the engine will cause the gauge to go high, then back to normal. Next would be to check the wiring. could be the gauge/sensor wire is shorting to ground.

Oct 25, 2014 | 2005 Hyundai Elantra

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What causes hyundai Elantra 2002 tempature gauge fluctuates between normal and hot


The thermostat "seals" the cool coolant giving up (rejecting) heat in the radiator & heater core from the hot coolant absorbing heat in the running engine "block".

When the coolant in the engine reaches a specific temperature (180 ~ 195 degrees) as determined by the value selected by manufacturer or when replaced, it opens and allows the hot coolant in the engine block to be pumped out to the radiatot & heater core for cooling and the cool coolant in the radiator / heater core is pumped into the engine block - replacing the hot coolant. The thermostat senses cool coolant in the engine block and seals shut until the temperature of the coolant in the engine block rises to 180 ~ 195 degrees again. This process continues over and over for as long as needed.

You should check to make sure that the coolant level in the reservoir / radiator is sufficient by checking when cold. Do NOT remove a radiator cap when it is hot! With the cap off, start the engine and add additional coolant as the engine warms up to normal operating temperature. If coolant levels are ok, the trouble could be related to the thermostat or possibly a faulty temperature sending switch. This means that the temperature of the coolant is fine - but the switch or sensor that converts the temperature to a voltage for the gauge on yur dashboard is the problem.

If the temperature is fluctuating up and down, you should have it fixed. Good luck!

Apr 12, 2013 | 2002 Hyundai Elantra GT

2 Answers

2002 elantra tempature gauge not working and rpm gauge no working


There are several things that can make those two guages not work, including a defective instrument cluster. Electrical diagnosis needs to be performed to locate the cause of the failure.

May 21, 2011 | Hyundai Motor 2002 Elantra

1 Answer

I have a 2006 Hyundai Elantra and makes very little heat. what can I do?


It is either a blend door that is not opening properly or your thermostat is stuck open-does the engine temperature gauge run very low? If so, you will need to replace the thermostat to get heat again.

Dec 23, 2010 | 2006 Hyundai Elantra

1 Answer

Intake air temperature sensor 02 hyundai elantra


Yes...it is also called the MAP-Manifold Absolute Pressure sensor...

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Mar 31, 2009 | Hyundai Motor 2002 Elantra

1 Answer

1997 Hyundai Elantra has heat but temp gauge does not rise.


If the coolant is below a certain level, the temperature sensor will not read anything and the temp gauge will not rise. Replace the cap, and check that you have enough coolant in the system. If this does not solve the problem, you will need to test/troubleshoot the coolant temperature sensor.

Jan 17, 2009 | 1998 Hyundai Elantra

1 Answer

2002 Hyundai elantra overheating.


Sounds like the waters not flowing correctly could be thermostat or other blockage.Are radiator fans working when vehicle is at operating temperature?Generaly this is a thermostat fault or faulty temperature sensor.

Nov 18, 2008 | Hyundai Motor 2002 Elantra

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