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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 03-29-2011, 07:29 PM   #1
86 newbie
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Default tempature sensor question

hey i have a 86 gt stock engine, my temp gauge doesn't work. i believe it is the temp sensor. do you think it could be anything else? i can easily pick up a new sensor. anything will help thanks guys
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Old 03-29-2011, 07:50 PM   #2
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Sometimes you can clean the rust from it an it will work then but if it is to distorted then its time to replace it.
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Old 03-29-2011, 09:19 PM   #3
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ok thanks ill try that if its not the sensor what else do you think it could be?
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Old 03-30-2011, 03:07 AM   #4
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this is what I did. disconnect the wire that goes to the temp sensor. get a piece of wire and ground out the connection. while the key is in the on position (car off) see if the temp gauge goes all the way up. If it does, your connection to temp sensor is good and your temp sensor is bad.
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Old 03-30-2011, 06:25 AM   #5
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Get a mechanical temp gauge so you know the real temperature, no sense playing around with the stock electrical one.
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Old 03-30-2011, 10:26 AM   #6
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There you go the best option!
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Old 03-30-2011, 12:02 PM   #7
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well i want to buy a mechanical one but im in high school and have no money so im just gunna fix this then maybe in the summer ill get one
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Old 03-30-2011, 12:35 PM   #8
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The new sensor is less than 10$ I think.
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Old 03-30-2011, 01:06 PM   #9
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yeah they are cheap. you can always try replacing the sensor, they are cheap. Just make sure you use teflon coating on the threads
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Old 03-30-2011, 01:54 PM   #10
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When you go to the parts store take the old one there are 2 coolant temp sensor and they look and do different things.
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Old 03-30-2011, 01:54 PM
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