Weird Sound, Turbo - Ford Powerstroke Diesel Forum
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post #1 of 23 Old 09-12-2019, 04:36 PM Thread Starter
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Weird Sound, Turbo

Ok I drove earlier today and it was fine. Drove it again, and it sounded like nails on a chalkboard. The turbo has an extremely high pitched whine in it. The normal 6.0 turbo sound is muted by the whine. I'm not sure if it is an exhaust leak right near the turbo or something wrong with the turbo. It does it on throttle not really at idle. I tried listening and going around to find any leak, but I didn't find any. I also had the egr valve code pop up 2 times within a day now, and I think another one for the egr but can't remember. I checked the valve and I think its going out I planned on doing an egr delete but other things keep popping up on the truck.

If this is confusing Im sorry Im a little pissed off and Im kinda scatterbrained at the moment because I cant seem to catch a break with the truck. LOL
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post #2 of 23 Old 09-12-2019, 07:05 PM
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If this is confusing Im sorry Im a little pissed off and Im kinda scatterbrained at the moment because I cant seem to catch a break with the truck. LOL[/QUOTE]



I am no help at all, so sorry, but it sounds like the beginning of my life when I picked up my 6.0L. The struggle can be real.
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post #3 of 23 Old 09-13-2019, 03:30 AM
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I would yank the EGR valve out and clean it thoroughly before replacing it. Hopefully that will do the trick.

As far as the turbo, it sounds like an exhaust leak somewhere. The noise you are describing sounds a lot like the y-pipe or bellows are cracked. I haven't had it happen personally, but it sounds similar to what you're describing.

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post #4 of 23 Old 09-13-2019, 04:08 AM
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A stuck turbo can give EGR codes.
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post #5 of 23 Old 09-13-2019, 07:32 AM Thread Starter
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Quote:
Originally Posted by Chris View Post
I would yank the EGR valve out and clean it thoroughly before replacing it. Hopefully that will do the trick.

As far as the turbo, it sounds like an exhaust leak somewhere. The noise you are describing sounds a lot like the y-pipe or bellows are cracked. I haven't had it happen personally, but it sounds similar to what you're describing.
Ok Ill look into it later today. Have another question. My truck is not wanting to start the past couple days. I dont know if its glow plug related or fuel related. I have a feeling its going to be a pain to figure out.
post #6 of 23 Old 09-16-2019, 01:51 PM Thread Starter
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Did some digging, and tried looking for a leak in the pipes didn't find anything. It might be from the new exhaust I put on but it was fine. I do have a hole in downpipe that i am going to get fixed with in a couple days. Looked more into it and some people said it could be the degas bottle, checked that out, seemed fine. I'm completely lost in where it's coming from,
post #7 of 23 Old 09-21-2019, 11:42 AM Thread Starter
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WELL the Weird sound went away. But now I don't have any oil pressure. Think the pump went out
post #8 of 23 Old 09-21-2019, 12:23 PM
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I think you might have multiple issues and you're chasing your tail trying to troubleshoot all of them at one time. Take them methodically and figure them out one by one - the most recent being your no oil pressure. This one is a biggie, because no oil pressure = no starty = hard to troubleshoot the rest of them! What are you using to read ICP?

1. Setup your PID's and watch for the basics:


2. If they all look good and you don't have ICP, verify you have base engine oil pressure.


3. Is your IPR% going to 85% when it cranks but won't start? If so, and you have base engine oil pressure, you need to air test the system:


Do you know if the STC fitting was updated before you bought the truck?

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post #9 of 23 Old 09-22-2019, 12:42 PM Thread Starter
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So I tried a couple things today. It has ICP 1175 and says no injector width. But from the video above about base oil pressure I tried cranking to see if it would build pressure and didn't get anything. I think from the video I have base oil pressure but not enough to get it started.
post #10 of 23 Old 09-22-2019, 01:50 PM
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It would be good to post ICP volts as well as ICP pressure.

Will the oil filter housing fill up (oil filter removed and cap off) when cranking?
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