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Ford Powerstroke 03-07 6.0L Discussion of 6.0 Liter Ford Powerstroke Turbo Diesels

That's why, no big deal, it wont hurt anything. Just from the EGR delete, the PCM is seeing a lack of EGR flow and tosses the code.... JOIN NOW TO REMOVE TRACER

loud whistle under hood?

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  #11  
Old 07-09-2012, 08:36 AM
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That's why, no big deal, it wont hurt anything. Just from the EGR delete, the PCM is seeing a lack of EGR flow and tosses the code.

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  #12  
Old 07-09-2012, 02:15 PM
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Update

Leaving work today when I started up my truck it sounded like a leak under the truck. Sounded like a lot of air. Got home left it running and felt around couldn't find it but still heard it. Found a little bit of soot on the fire wall right below the over flow tank. Seeing as im just getting started with diesel. Im thinking ill leave this one to my diesel tech.

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  #13  
Old 07-09-2012, 05:28 PM
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The fix is going to be pretty easy. If you dont feel comfortable, thats ok. Walk around with your tech, and watch what he looks for, and learn what you can from him.


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  #14  
Old 07-09-2012, 06:07 PM
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Sounds like the y-pipe is cracked in the back, it's really the only thing that will have that loud whistle too. Maryland Performance Diesel has a set of upgraded pipes on sale now too...
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  #15  
Old 07-09-2012, 06:42 PM
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I will definitely upgrade to those if that's the problem.
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  #16  
Old 07-09-2012, 06:54 PM
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If im not mistaken cracked y pipe sounds like a dry bearing or a squeeling belt. (?)
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  #17  
Old 07-09-2012, 07:14 PM
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Forgot to mention I smelled exhaust through my ac. Didn't realize that could be from cracked y pipes. Always figured it was my diesel soaked work boots

Originally Posted by 06-sixoh View Post
If im not mistaken cracked y pipe sounds like a dry bearing or a squeeling belt. (?)
While driving home today I thought it sounded similar to those also.
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  #18  
Old 07-09-2012, 08:40 PM
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I havent done too much reading up on cracked pipes, but from what i understand, those are the audible symptoms. Does the whistle quiet down after the truck is warm?


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  #19  
Old 07-09-2012, 08:57 PM
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Mine would whistle ear piercingly loud when I first fired it up, but it would go away as the truck would warm up. That was a cracked up-pipe.

If it's cracked, you will definitely smell exhaust in the cab. It will smell like exhaust though, not raw fuel too.
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  #20  
Old 07-09-2012, 09:37 PM
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Haven't smelled raw fuel to often. Not to sure of the difference. It not very strong tho and the whistle doesn't go down when it heats up. It is an ear piercing whistle tho.
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