Signs of a bad EGR and oil cooler?? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 07-13-2009, 11:25 PM Thread Starter
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Signs of a bad EGR and oil cooler??

i have some questions, what are the signs of a bad egr cooler or one going bad?
i noticed my truck warming up higher than usual when romping on it. i do have arp's done and i know its not my heads. maybe someone can help me out with this stuff...thanks!


2003 F250 charcoal
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AND FINALLY.....Head studs.
And a pretty lady sitting next to me While i blow black smoke... :burnout
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post #2 of 7 Old 07-14-2009, 05:07 AM
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15* difference between the oil and water temp is a sure fire way to tell you if the oil cooler is going bad.

Bad EGR cooler is normally pouring white smoke out the tail pipe. Also you can pull your EGR valve and see if its wet inside the manifold, if it is, thats a sign of bad egr cooler.

Adam Brannan

First Coast Diesel Performance


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post #3 of 7 Old 07-14-2009, 09:52 AM Thread Starter
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i dont have any white smoke coming out at all. i do see a difference in oil and coolant temps, but i thought up to 20 degrees difference was acceptable? Its just weird cause my truck is starting to heat up after getting on it, or even climbing a steep hill. i do have my xtreme tune loaded on there but i dont remember having this problem before.


2003 F250 charcoal
Full 8inch ORU suspension. I mean everything. with bilsteins all around. Rear airbags.
SCT Tuned by Innovative with BANKS stickers still.
Banks Techni-cooler and full intake.
Full banks monster exhaust with gato dead.
Pro-Comp 37's on black 17's.
Amp steps, Hella of alot of Hella lights. 12 total.
AND FINALLY.....Head studs.
And a pretty lady sitting next to me While i blow black smoke... :burnout
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post #4 of 7 Old 07-15-2009, 09:13 AM Thread Starter
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anyone else?


2003 F250 charcoal
Full 8inch ORU suspension. I mean everything. with bilsteins all around. Rear airbags.
SCT Tuned by Innovative with BANKS stickers still.
Banks Techni-cooler and full intake.
Full banks monster exhaust with gato dead.
Pro-Comp 37's on black 17's.
Amp steps, Hella of alot of Hella lights. 12 total.
AND FINALLY.....Head studs.
And a pretty lady sitting next to me While i blow black smoke... :burnout
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post #5 of 7 Old 07-15-2009, 02:32 PM
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Usually if an EGR cooler goes, you'll have white smoke, if the oil cooler goes, you'll have varying temps between the oil and coolant.

I have about a 400 degree difference between oil and coolant! I hate electronics sometimes.





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Innovative Diesel Tuning 466/772 7/19/08
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post #6 of 7 Old 07-15-2009, 05:32 PM
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Quote:
Originally Posted by mdub707 View Post
Usually if an EGR cooler goes, you'll have white smoke, if the oil cooler goes, you'll have varying temps between the oil and coolant.

I have about a 400 degree difference between oil and coolant! I hate electronics sometimes.

waaaaaaa 400*..maybe 40*?

Adam Brannan

First Coast Diesel Performance

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post #7 of 7 Old 07-15-2009, 05:38 PM
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Im hopin the 400 was a typo

Email: Dave@powerstroke.org
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