Deleted - strange exhaust noise @ idle - Ford Powerstroke Diesel Forum
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Old 08-09-2013, 12:20 PM
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Deleted - strange exhaust noise @ idle

OK, so I have been deleted for about 3000 miles so far. I normally run in the stock setting, but sometimes in tow.
I noticed a week ago when I was idling, (I was hooking up my trailer) that my exhaust tone changed, and I got a whirl like the turbo was spooling up. Only lasted about 2 seconds.
Now it seems like every time I stop and idle a few minutes, that it does it all the time. I even was sitting at the bank drive thru and saw my boost go from 0 to 1 for a split second.

Is this normal?????
Is it ok to idle for longer periods since I am deleted? I never let it idle before, I always shut it down.

I have the egr block of plates sitting here on my work desk, but haven't had a chance to install them. I have my mini max set to H&S pyro.

Any help would be appreciated. Thanks
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Old 08-09-2013, 12:24 PM
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I can't answer about exteneded periods of idling, but mine does the same turbo spool as yours. Has for 11k miles. No issues. Sounds cool.
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Old 08-09-2013, 12:38 PM
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Quote:
Originally Posted by 1stgear View Post
I can't answer about exteneded periods of idling, but mine does the same turbo spool as yours. Has for 11k miles. No issues. Sounds cool.
yeah, I forgot to say it sounds cool!

Thanks
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Old 08-09-2013, 02:24 PM
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Its normal all it is the veins in the turbo shifting
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Old 08-09-2013, 02:51 PM
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Usually it is common for the egr to cycle and cause this noise. Normal
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Old 08-09-2013, 05:34 PM
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Turbo vane sweep.... happens to trucks with complete EGR deletes too.
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Old 08-14-2013, 05:39 AM
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My deleted 12 did it too. Didnt have any issues. Attention getter in parking lots though. haha
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Old 08-14-2013, 07:18 AM
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Keeps the veins from sticking.

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Old 08-14-2013, 07:31 AM
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Quote:
Originally Posted by 2013F250Tank View Post
My deleted 12 did it too. Didnt have any issues. Attention getter in parking lots though. haha
Lol yeah I had a guy come in a gas station one time to ask me what that noise was.

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Old 08-16-2013, 08:10 PM
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îIf you watch your egts while it happens temp goes up 20-30 degrees then comes back down.

I notice with mine once idling egt temp is below 270-275 degrees the process stops.
After I've been driving and come to a stop. If my egts are above 300 degrees. It does the cycle several times.

I'm not sure but I'm wondering if it does the process to help cool egt temps as well.

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