Engine Temp LIGHT - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 03-23-2008, 05:55 PM Thread Starter
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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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post #2 of 6 Old 03-26-2008, 11:12 PM
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sounds like you have a bad high temp sender.

1997 F250 XLT CC PSD 4X4 4.10LS E4OD (AB CODE TRUCK)
DFUSER 18K MOD
4" TURBO BACK DI EXHAUST
1705 SUPERCHIP
DIY INTAKE
2" LEVELING
GAUGES,EGT,TRANS,BOOST,OIL TEMP,OIL PRES,WATER,VOLT
SONNAX VALVE/TRICUMULATER SPRINGS
30,000lb TRANS COOLER:
SWAMPS IDM

1996 F250 XLT EC PSD 4X4 4.10LS E4OD
1705 SUPERCHIP
DIY INTAKE
DB EXHAUST BRAKE
30,000LB TRANS COOLER
QUAD POD WITH EGT,TRANS,BOOST,WATER
140V IDM
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post #3 of 6 Old 03-30-2008, 03:54 PM Thread Starter
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Can you splain where it is on the engine ? I haven't heard of it.
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post #4 of 6 Old 04-01-2008, 08:27 AM Thread Starter
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Still waiting on someone to tell me where the engine over-temp sensor is.
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post #5 of 6 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

Derrick

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'97 F-350 "FORDOR" 4X4 (Dually Conversion, Shackle Reversal, Technicooler , Auto Meter Gauges, 4" DIY Dual Exhaust w/ '08 tips, 4" DIY intake w/ AEM filter, Wicked Wheel 2, 360 thrust bearing, Homemade E-fuel conversion, Wildman Chip, 160cc DIY injectors , DIY IDM mod) 230K and counting...
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post #6 of 6 Old 04-01-2008, 03:57 PM Thread Starter
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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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