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Temp Gauge Spiking


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4 replies to this topic

#1 bsc09

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Posted 28 March 2013 - 10:05 AM

Hey guys, my 1993 loyale has been acting a little weird the past few days. My temp gauge would spike all the way past the red when I would start the car up first thing in the morning and would stay there even after the car would warm up, after a while it will go down slightly for just a brief second and spike again. Im wondering if it could be the cooling fan switch because I do have a second radiator and it doesn't seem to be turning on or is it just a bad gauge cluster? 

Thanks 



#2 mikaleda

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Posted 28 March 2013 - 11:09 AM

More than likely the wire going to your sending unit is grounding out somewhere.

#3 Cougar

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Posted 30 March 2013 - 02:58 PM

This may mean there is a ground problem to the engine area. A simple thing you could do is add a temporary ground between the engine and the negative battery post. If the gauge goes back to a normal reading then you have a bad ground somewhere. Cleaning the ground connections may help.



#4 nipper

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Posted 30 March 2013 - 08:44 PM

Check the grounds. Also if it is first thing in the morning, check the alt output at the same time. It can be a current issue when cold.



#5 bsc09

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Posted 31 March 2013 - 09:51 AM

Alright I will do that, right now I have been driving my other car so I will take a look at it today. 

Thanks guys :)






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