ECT and EOT temps. Caught in time? - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 06-02-2013, 04:57 AM Thread Starter
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ECT and EOT temps. Caught in time?

Well, I do not need help with this issue as I already know what it is and tomorrow I will be taking it in to the dealership to get it fixed under warranty, however, I thought I would share my ECT/EOT numbers with everybody.

I just bought this truck a couple weeks ago from a reputable dealership around here and the truck only has 78K miles on it. I found a super sweet deal on an older edge platinum juice with attitude, and while I did not do any tunes, I just wanted it to monitor my levels and such.

So I get home and plug it in and drive it to work the next day. I set the cruise to about 65 MPH so I can get a good baseline on my cooling system numbers and what not.

Well here's the fun part, my ECT stayed right around 190 (186-190) but my EOT? My EOT stayed at about 242 after about 15 minutes of driving it!

I think there might be a problem there. haha. No coolant lose, and no coolant spitting out of the degas bottle though so I think I caught it in time before any major damage was done. Needless to say, I parked the truck until I can take it to a reputable ford dealership to get it fixed under warranty.

2003 F-350 6.0L. CCLB, 6" lift on 35's, 100k miles: Sinister coolant Filter, Sinister EGR delete, Sinister boots, ARP studs, Diamond Eye 4" turboback exhaust, cat-elc, blue spring update, 6.4 banjo bolts, Edge CTS w/ EGT, SCT w/ Gearhead SRL+ tunes, S&B air intake, Atlas 80 FICM tune, water/meth injection, high idle switch, fog light mod, zoodad mod, 07 front, 07 dash, 08 taillights, 08 mirrors, 14 tailgate,
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post #2 of 13 Old 06-02-2013, 05:10 AM
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Wow that's a crazy bad eot

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post #3 of 13 Old 06-02-2013, 03:34 PM
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Are the ECT and EOT temps the same after sitting overnight before you start the truck ?


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2006 F250 LARIAT CCSB 4X4
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post #4 of 13 Old 06-02-2013, 03:42 PM
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A couple of more degrees and she should have went into limp mode. Nice catch.


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post #5 of 13 Old 06-02-2013, 04:09 PM Thread Starter
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Quote:
Originally Posted by mhatlen View Post
Are the ECT and EOT temps the same after sitting overnight before you start the truck ?
After sitting overnight, yes, the temps equal out(well actually when first started the ECT is warmer than the EOT and then the EOT slowly catches and then keeps going up). Then after about 15 mins of driving whether highway or in town, the ECT smooths out about 190 and EOT slowly keeps climbing to 242. My thought is plugger oil cooler. Are you think maybe something else?

2003 F-350 6.0L. CCLB, 6" lift on 35's, 100k miles: Sinister coolant Filter, Sinister EGR delete, Sinister boots, ARP studs, Diamond Eye 4" turboback exhaust, cat-elc, blue spring update, 6.4 banjo bolts, Edge CTS w/ EGT, SCT w/ Gearhead SRL+ tunes, S&B air intake, Atlas 80 FICM tune, water/meth injection, high idle switch, fog light mod, zoodad mod, 07 front, 07 dash, 08 taillights, 08 mirrors, 14 tailgate,
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post #6 of 13 Old 06-02-2013, 04:19 PM
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Good catch!
I'd have the blue spring upgrade done while it's there.

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post #7 of 13 Old 06-02-2013, 04:26 PM
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holy cow that is high EOT!
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post #8 of 13 Old 06-02-2013, 05:28 PM
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A coolant filter is the biggie here,the cooling system is what's killing the oil cooler.

On my truck I drained all the Ford Gold out pulled the thermostat and flushed out with water. Filled up cooling system with water and put in 2/3 cup of Cascade liquid dishwasher soap. I took truck for a 30 mile drive and drained out cooling system. Pulled all the hoses off of coolant recovery tank as well as the bypass and upper and lower hoses so I could run hose through everything. Refilled and flushed three time using only distilled water draining everything after short drives including the block drain plug on drivers side.
It cleaned my cooling system well the thing that I noticed right away was that my heater worked much better, was much hotter out of vents. I have since put in Cat EC1 coolant and it's been around 1-1/2 years and my delta temps today are still in the 4-5 degree range. I change coolant filter every 6 months or so and the filter barely catches anything these days. There are some high quality filters out there like IPR full flow model, I have the blue one forget who makes it. lol but it's a must have item for the 6.0 and so is the blue spring for the fuel pressure regulator.


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2006 F250 LARIAT CCSB 4X4
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
Atlas40
CAT EC-1 Coolant, IPR Coolant filter
BPD Waterpump
Fass-125 to a Adjustable Pressure Reg.
Turbo-back SS 4" pipe, Corsa Muffler -7" Tip
6.4 starter, DC Power 270 amp alt
Die Hard Platinum AGM all 2/0 Cables
Fabtech Radius Arms
7" lift w: Icon Progressive Coil Springs
2008 up Carli/Deaver rear springs
2000 Watts of McIntosh Bliss
All riding on some Fatty-Daddy 38/15.50/18 Toyo's
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post #9 of 13 Old 06-07-2013, 07:43 PM Thread Starter
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Yeah mhatlen, I just ordered my coolant filter. I will be sure to drain and flush the cooling system and then refill with the Cat EC1 coolant. Where does a person buy that stuff? And I have just recently been looking into the blue spring mod, I will probably do that as well when I change the oil cooler.

Normally I do all my work myself, because I have always bought older vehicles with no warranty. Since this one has a warranty I did some searching around and found an awesome guy out here who is very very friendly to mods to the 6.0 while still doing whatever he can to keep it under warranty. He said he will take care of me and so far has been nothing but helpful with me!

2003 F-350 6.0L. CCLB, 6" lift on 35's, 100k miles: Sinister coolant Filter, Sinister EGR delete, Sinister boots, ARP studs, Diamond Eye 4" turboback exhaust, cat-elc, blue spring update, 6.4 banjo bolts, Edge CTS w/ EGT, SCT w/ Gearhead SRL+ tunes, S&B air intake, Atlas 80 FICM tune, water/meth injection, high idle switch, fog light mod, zoodad mod, 07 front, 07 dash, 08 taillights, 08 mirrors, 14 tailgate,
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post #10 of 13 Old 06-08-2013, 03:41 AM
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Watch these videos on flushing.
If you google international dealer and find one. call and ask for fleetrite elc CONCENTRATE red cap vs. black cap. Get four gallons.

2013 F-250 lariat scsb FX4.
6.2. 3.73 lockers. Rear wheel liners.
Camper package. Pullrite 18K lb Superslide, Line X sprayed bed.
Krown rust protected.

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