Signs of a bad EGR and oil cooler?? - Ford Powerstroke Diesel Forum
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Old 07-13-2009, 11:25 PM
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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!
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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.

Last edited by Abrannan19; 07-14-2009 at 05:14 AM.
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Old 07-14-2009, 09:52 AM
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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.
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Old 07-15-2009, 09:13 AM
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anyone else?
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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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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*?
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Old 07-15-2009, 05:38 PM
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Im hopin the 400 was a typo
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