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Screwy Thermostat

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Old Apr 18, 2001 | 09:30 AM
  #1  
SeeYa's Avatar
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From: Sewer City, Ia.
Car: 91 RS
Engine: 5.0
Transmission: Auto
Screwy Thermostat

Whenever it gets over 70 degrees and i drive my car for more than 30 minutes my temp guage goes to 3:00, past all markings. could it be a sensor or is it something else? 91 Tbi/AT
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Old Apr 18, 2001 | 07:22 PM
  #2  
PoleJock's Avatar
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From: Burkburnett, TX USA
Check to see if your cooling fan is working. If not, could be the fan switch located between #6 and #8 spark plugs on the passenger side of the engine. These rascals have a tendency to stop working.
Cheers!
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Old Apr 19, 2001 | 12:34 PM
  #3  
SeeYa's Avatar
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From: Sewer City, Ia.
Car: 91 RS
Engine: 5.0
Transmission: Auto
i left it idle after i parked for about 15 min. the temp went to about 180-200 but the fan never turned on unless i swiched on the AC. is it the switch then?
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Old Apr 21, 2001 | 12:09 PM
  #4  
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From: Sewer City, Ia.
Car: 91 RS
Engine: 5.0
Transmission: Auto
OK replaced the temp sensor but that didn't fix it. Went to 220 and still the fan wont kick in. Does any one have another solution.
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Old Apr 22, 2001 | 09:04 PM
  #5  
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From: Sewer City, Ia.
Car: 91 RS
Engine: 5.0
Transmission: Auto
Hmm, please not everyone speak at once! Does any one know how to troubleshoot an engine?
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