Very high engine temp on small climbs - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 03-07-2013, 11:52 AM Thread Starter
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Very high engine temp on small climbs

Hey guys, wonder what might be causing my engine temp to go through the roof?

Even the smallest of hills I see the temp needle get close to the "m" of the normal? I'm not over revving, just going a steady pace up the hill.

I was leaning towards thinking the TStat but hoping someone can pitch in with some advice.

Many thanks
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post #2 of 7 Old 03-07-2013, 11:55 AM
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Well when mine did that was headgaskits...good luck
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post #3 of 7 Old 03-07-2013, 12:14 PM Thread Starter
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What were you symptoms? I'm not loosing coolant or getting any white smoke?
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post #4 of 7 Old 03-07-2013, 05:32 PM
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just watched a utube video on same problem,test rad.cap or replace.lower pressure will let coolant boil faster.
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post #5 of 7 Old 03-07-2013, 05:36 PM
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This is a 7.3, HGs are very rare, unless modded.
And you can't really go by the temp gauge. It's OK, but not scientific at all. You need to monitor live data to know for sure. BUT you might as well try out thermostat, proper coolant level. Easy stuff.
What are ambient temps and is your fan clutch engaging?



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
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post #6 of 7 Old 03-07-2013, 07:44 PM Thread Starter
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Ambient temp up here in BC was roughly 5C today, fan clutch does engage but no way of telling at what temp unless I throw and infrared near where the stat is housed.

Only other way I'm guessing is to buy an Autoenginuity but that's an EXPENSIVE "fix"!!
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post #7 of 7 Old 03-08-2013, 03:32 AM
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Or a ScanGauge II. Not as much.



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