Question about Hyundai Motor 2002 Elantra

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2002 elantra tempature gauge not working and rpm gauge no working

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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.

Posted on May 21, 2011

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Try disconecting the battery & reconecting it. If gauges start working look for an intermittent (or constant) alternator overcharging condition.

Posted on May 21, 2011

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1 Answer

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

1 Answer

Water tempature gauge shows hot when car is cool ;and hasn't been driven


It sounds like the temp sender may be bad. This is the sensor that sends a signal to the gauge on the dash (as opposed to the engine coolant temperature (ECT) sensor that goes to the ECU instead.) It is located on the bottom front of the thermostat housing (which you will find if you follow the large hose from the top right of the radiator.)

Before replacing, make sure the connection is clean and secure, then check the wiring for any obvious failures.

Jan 13, 2013 | 2002 Ford ZX2

1 Answer

Rpm gauge goes to zero


Sounds like a problem with the meter, or a bad connection in the wiring.

Aug 05, 2012 | Hyundai Motor 2002 Elantra

1 Answer

(2002/2003 Toyota Avalon XLS).... I need to know what fuses control the tempature, RPM, Speedometer, & Fuel Gauges. As well as the in dash information center ie; time, date, fuel economy range. Or...


There isn't a fuse for this. Like you said dash board control module. The Instrument panel (IP) is a computer, it is fed by the ECM (engine control module) You could have a loose contact with the plug in the IP since you have lost everything. But I wouldn't rule out that the IP has gone bad.

Jul 19, 2011 | 2003 Toyota Avalon

1 Answer

I hear big vacuum leak on 2001 elantra not any hoses


If you can "hear" a vacuum leak then the performance of the car would be greatly affected and the engine would idle much higher than normal. Normal idle speed is around 800-1000 rpm, Check you dash tachometer. If you have a vacuum leak the idle will go up to 1200-1500 rpm.
There are lots of places beside hoses that can leak vacuum such as the EGR valve or around intake manifold. But check that rpm's first to confirm what you are hearing is a vacuum leak.
You can also purchase a vacuum gauge form your local auto parts store. they cost around $20.00+. The gauge should read a steady 15-20", if less, then a leak is indicated

Feb 06, 2011 | 2001 Hyundai Elantra

1 Answer

The tempature gauge is running hot and a smell of maple syrup.


check coolent system dont run it hot youll blow it up

Sep 10, 2010 | 2005 Hyundai Elantra

1 Answer

My 2002 neons tempature gauge will only rise sometimes.Been happening for a week now


Check the connection to the gauge temperature sensor sender, it may be loose or making a poor connection.
If no fault found with above connections, the next step would be to replace the gauge temperature sensor unit.

Oct 09, 2009 | 2002 Dodge Neon

1 Answer

Temperature gauge not working


check fuse for gauges check wireing

Mar 01, 2009 | Hyundai Motor 2002 Elantra

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