Question about 1999 Dodge Neon

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Temperature gauge My car recently started giving me a problem that when the radiator fans turn on the temperature guage goes all the way to hot. when the fans turn of the gauge goes all the way down.

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  • theunion25 Jun 15, 2008

    temperature

  • Anonymous Mar 29, 2014

    Started truck and realized after 5 min of driving heater wasn't producing heat, then sporadic heat. Temperature guage was moving up and down quickly, would this be a faulty sensor?

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Could be signs that you need to replace the radiator. neons have a rpoblem with the radiator cores rotting out pretty quickly.

Posted on Jul 16, 2008

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3 Answers

I have change the sensor and gauge and still my car temp. gauge moves to the hot zone right away. what elese can it be. I even check the relay is good.


Try disconnecting the sensor. then turn on the ignition switch and see what the guage dose. If it still goes to the top, chances are there is a short in the wiring. If it does nothing, chances are you have a defective sensor.

Apr 03, 2015 | 1993 Toyota Corolla

1 Answer

Temperature guage not working and engine overheated when stopped in trafic


The powertrain computer turns the fans on through the cooling fan relays, based on information from the coolant temperature sensor. The fans will only come on when the coolant temp. is pretty high-varies by manufacturer, but it is over 200 degrees, some as much as 230 degrees. So the fans will not come on when engine is started, but they should come on before the engine overheats. You should have them checked. Also find out if the temp. gauge sending unit is separate and different from the coolant temperature sensor-on most cars, they are separate, maybe not on yours?
Free advice from a shadetree-not worth a lot, eh? lol.

Sep 24, 2013 | 2005 Ford Escape

1 Answer

My temperature guage stays in the middle, is this ok?


Yes, the temperature gauge should normally stop in the middle, between the cold and hot points on the gauge. When the engine is cold the thermostat will be closed and will keep recirculating the coolant in the engine block until it warms up sufficiently. Then the temperature of the warm coolant will cause the thermostat to open the channel to the radiator to get rid of excess heat, which should stop the coolant from over heating. So the effect of the thermostat keeps the coolant at a fairly stable temperature. When the coolant runs low, it can't transfer enough heat to the radiator and the coolant and engine then over heats. Watch for radiator leaks under your car after you have been driving it. If the coolant goes low again fairly quickly you could have a leak in a hose or the radiator itself.

Apr 19, 2013 | 2003 Mazda Protege

2 Answers

1990 dodge dakota 2.5 over heats temp gauge erratic


For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----

temp gauge goes erratic? http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

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Temperature gauge keeps fluctuating up and down close to red? http://technoanswers.blogspot.com/2012/01/temperature-gauge-keeps-fluctuating-up.html

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Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
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Temperature gauge does not move and no heat when heater is ON? http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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This details will help.Thanks.

Feb 07, 2012 | 1990 Dodge Dakota

2 Answers

Tamp gauge is over heating when the car is in idle but not when driving all the time. The radiator fan switch on the water outlet has been changed, new thermostat, all liquids are full and not leaking. The...


Since you just replaced the thermostat and it still over heats there is a good chance you have air in your cooling system. You can find step buy step instructions on my tip and how to page. Feel free to take a look.

Sep 17, 2011 | 1993 Honda Accord

1 Answer

Temperature guage goes to high, but it doesn't appear that the van is overheating (no steam/fluid leaking) Radiator & thermostat were recently replaced. Guage will jump to high when idle, but...


FLUSH RADIATOR, HEATER CORE AND ENGINE BLOCK.ADD 50 / 50 ANTIFREEZE AND WATER ALSO REPLACE RADIATOR PRESSURE CAP.IF TEMPERATURE GAUGE STILL STAY HIGH THE ENGINE COOLANT TEMPERATURE SENSOR COULD BE FAULTY.

Aug 21, 2011 | 1996 Ford Econoline

1 Answer

My temp gauge on the dash started showing the car getting hot as I sit with the car running. When I started driving it goes down. I figured the thermostat was sticking so I replaced it and now the...


Check to see if the fans are operational, anything below 35 MPH the fans cool the radiator, anything above is cooled by air passing thru rad.

Jul 08, 2011 | 2003 BMW 325

1 Answer

Hi: I read your answer to the problem with the 1999 Mercury Mistique temperature gauge. I'm having a similar problem. My temperature gauge is broken in the cold position. And, as far as I can tell,...


Very correct the ECT is a 2 wire thermistor,when coolant temp increases, the resistance andsignal voltage decrease,If you disconnect the sensor the fan goes on, you just trouble shooted the vehicle cooling fan switch, If anything the signal to the gauge itself may be non-op and not getting to the indicator, try this with vehicle at warm up temperature if you turn the A/C does the fan turn on.it should if it doesnt the power juction box (fuse and relay in engine compartment should be checked, for any opeen fuses, By the way the guage information is from the PCM

May 04, 2011 | Mercury Mystique Cars & Trucks

2 Answers

My antifreeze resevior is completely filled but my temp guage raises above the mid point then drops below the mid point then raises then drops. I started the car and noticed that only one of the two fans,...


The thermostat may be wearing out. A thermostat controls the engine temperature to keep it at a consistent temperature, The other fan will probably turn on if you turn on your Air Conditioner.

Mar 04, 2010 | 2002 Kia Optima

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