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Old 08-26-2013, 01:49 PM
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Question Over temp on Engine?

I hooked up my AE reader on my 2001 f250 lariat 7.3, and when looking at the engine temp while running down the highway it is getting up to 210 degrees, and coolant temp p to 260 degrees, when i let off the throttle they drop slowly? is this just a Thermostat problem or maybe a radiator? just looking for some insite, thanks guys!
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Old 08-26-2013, 03:08 PM
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Either a faulty sending unit, or your system is all busted nasty. 260* is flippen HOT. Are your dummy gauges on the dash pegged?

I would start with adding something to the coolant to break up nasties and flush it out. Next option is a new radiator.
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Old 08-26-2013, 03:58 PM
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Just Ignore what the AE says about Coolant Temps.

From the, now defunct, AE Forums;

I wrote to AE support about this issue. They confirmed that the pinout is there and AE sees it but the 7.3 application does not use this pinout so it floats - the result is that we see bogus information. Just ignore it, it's a result of Ford using the same hardware for multiple applications.

So now we have our answer - just ignore this information. Wish I had known this before - I momentarily panicked when I saw my coolant temp at 280F

This may only apply to an Automatic trans truck. The 6sp uses the ECT for PCM decisions where the Auto uses the EOT... (not confirmed)
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Old 08-26-2013, 04:18 PM
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ok that makes me feel better! My dash gauges are all reading normal just was checking some things thanks for the Help!!
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Old 08-26-2013, 04:46 PM
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heating up

next to the fact that 7.3's last forever with proper maintenance is that they are next to impossible to overheat thanks to it's "medium duty truck style" cooilng system.
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