Engine Temp LIGHT - Ford Powerstroke Diesel Forum
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Old 03-23-2008, 05:55 PM
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Engine Temp LIGHT

Newbie here

I have a 96 F250 7.3 PSD TD, Edge programmer, 5 inch stacks. Nothing else to mention. 200,000 miles, auto tranny.

I have a constant engine temp light on but the engine temp gauge is normal. When I turn the key ON, the light comes on. Stays on no matter what.

Full coolant, good belts and fan clutch is in working condition.The pyro shows about 600 or so with nothing outstanding. I have not towed yet so I don't know how high the temp gauge will go.

Any thoughts on this ?

RoGrrr
Central Ohio
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Old 03-26-2008, 11:12 PM
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sounds like you have a bad high temp sender.
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Old 03-30-2008, 03:54 PM
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Can you splain where it is on the engine ? I haven't heard of it.
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Old 04-01-2008, 08:27 AM
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Still waiting on someone to tell me where the engine over-temp sensor is.
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Old 04-01-2008, 12:38 PM
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The temp sender is near the water pump. IDK if it has a over temp sender, but the temp sender should be OK if the gauge reads correctly. You may have a short to the light.

94-97 powerstroke engine sensor locations
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Old 04-01-2008, 03:57 PM
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JD
Thanks for the diagrams. They taught me a lot.
My temp gauge works but the OT light is always on. Seems to me that the lights have a ground at the controller that will complete the circuit to simply turn the light ON. I'll have to scare up a complete wiring diagram and see what's in the dash of this truck. Hopefully I can come to some conclusion.

Thanks
Roger


Quote:
Originally Posted by pipelayerjdh View Post
The temp sender is near the water pump. IDK if it has a over temp sender, but the temp sender should be OK if the gauge reads correctly. You may have a short to the light.

94-97 powerstroke engine sensor locations
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