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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

temp gauge bouncing back and forth

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Old Aug 21, 2014 | 10:09 PM
  #1  
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temp gauge bouncing back and forth

I have a 1993 f150 and my temperature gauge bounces back and forth from hot to cold and I have checked the engine temperature and the engine is not running hot what should I do
 
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Old Sep 9, 2021 | 07:16 PM
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It depends. Is your truck 6volt or 12 volt. If 12 volt, have the gauges been changed?

Sorry, SFaulken pointed out that I am in the wrong Universe. My mind is stuck in 1953 and I can't read.
 
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Old Sep 10, 2021 | 07:50 AM
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Verify the engine coolant temperature sender is good. Use a meter to check the output. Also check/clean the connection to it.
 
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Old Sep 10, 2021 | 12:23 PM
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Originally Posted by jlamberth
It depends. Is you truck 6volt or 12 volt. If 12 volt, have the gauges been changed?
What? In what universe do you live where this is even remotely a valid question about a truck built in The 1990s?
 

Last edited by SFaulken; Sep 10, 2021 at 12:23 PM. Reason: Fixed year
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Old Sep 13, 2021 | 04:40 PM
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I obviously can't read. My mind is stuck in 1953.
 
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Old Sep 15, 2021 | 05:49 AM
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Originally Posted by jlamberth
I obviously can't read. My mind is stuck in 1953.

It’s okay this is stuck in 1953 too
 
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Old Sep 15, 2021 | 07:05 AM
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Originally Posted by rla2005
Verify the engine coolant temperature sender is good. Use a meter to check the output. Also check/clean the connection to it.
Mine bounced around a few days before just reading low. I replaced my coolant temp sensor which fixed my problem.
 
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