High engine oil temps - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 07-12-2009, 11:43 AM Thread Starter
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High engine oil temps

I have been trying to figure out why I have high engine oil temps and am at a loss.

Driving down the freeway unloaded, I see oil temps of 240*. I have verified that with my scanner AND also shot the HPOP resivour with a thermal laser gun and it also was 240* so that tells me its not my EOT sensor. At the same time, I shot the oil cooler and it was about 237*, the oil pan was about 210*. I got a temp of 184* on the upper radiator hose and the lower was 145*.

I have a new motor with about 5000 miles on it, my oil cooler was new when engine was built. My setup is the same as it was last year when I saw temps of 205*.

Looking for a little help.

2002 F350 Crewcab Lariat 4X4 SRW

626 HP, soon to be 750+ HP on fuel only
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