Temp Gauge on A?
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Joined: Jan 2001
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From: Virginia
According to Ford, you are still "normal" correct? I would get a real gauge and put it under the dash and quit guessing. All I can tell you is the trucks I have had run about 190-195 degrees at around the "O". That is the thermostat temp and in the winter you can tell what the thermostat temp is by the way the gauge acts. But I quit guessing when I have the chance and always install aftermarket gauges.
FTE Legend
Joined: Nov 2015
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From: Angier, NC
According to Ford, you are still "normal" correct? I would get a real gauge and put it under the dash and quit guessing. All I can tell you is the trucks I have had run about 190-195 degrees at around the "O". That is the thermostat temp and in the winter you can tell what the thermostat temp is by the way the gauge acts. But I quit guessing when I have the chance and always install aftermarket gauges.
If you have an indirect thermometer you can get the temp up to the "A" and then see what the temp is at the stat housing to see if it is in the danger zone.
BTW I have only had my project running (in the drive) for a short time and it has a hard time getting up to the "T / E", no shroud (yet) but have not looked into if the motor has a stat and what the setting is.
Guess I should pull out my new indirect thermometer and see if it works LOL
Dave ----
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Joined: Apr 2013
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in addition to reading high, my temp gauge would also read higher whenever I turned on the headlights or HVAC blower motor. Turns out it was a bad ground for the instrument cluster. A jumper wire from the little screw / bolt that holds the instrument cluster voltage regulator to the back of the cluster to ground fixed it.
Laughing Gas
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Senior User
Joined: Feb 2017
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From: Oregon
Interesting, my truck does this. Never caught if the blower or what not is doing it. I'll have to watch closer. Thanks.
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Joined: Dec 2004
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From: Florence, SC
Normally, my truck runs right around the "R" on the NORMAL scale. I run the stock 195 degree thermostat. At times, the needle will slowly climb to the "A". I put an infrared gun at the thermostat housing during both conditions, and the actual temperature reads the same! I am not sure why the gauge reads differently at times, (I will have to check and see if the blower is causing this s well.) but know that mine does the exact same thing and there is nothing wrong.
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Joined: Feb 2017
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From: Oregon
Normally, my truck runs right around the "R" on the NORMAL scale. I run the stock 195 degree thermostat. At times, the needle will slowly climb to the "A". I put an infrared gun at the thermostat housing during both conditions, and the actual temperature reads the same! I am not sure why the gauge reads differently at times, (I will have to check and see if the blower is causing this s well.) but know that mine does the exact same thing and there is nothing wrong.
I'll have to check it with the infrared gun as well.
Laughing Gas
Joined: Apr 2013
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In my case the temp, fuel and oil pressure gauges would all read higher if I turned on the blower and / or turned on the headlights. But not anymore since I added the extra ground to the cluster.
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