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Dec 29, 2017 | 08:54 AM

renchr56

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Mountain Pass

Joined: Nov 2005

Posts: 206

Likes: 0

From: Baltimore,Md.

head scratcher

Good morning everyone. I have a 2002 F-550 with 7.3. My problem is I can start the truck just fine. It runs fine at idle no smoke or anything. But when I go into 1st to second there is no problem so now going from 2nd to 3rd I get a lot of white smoke out the exhaust until the turbo spools up fully. Then no smoke from then on only 2nd to 3rd... any ideas on this?? Also there are no codes whatsoever

Last edited by renchr56; Dec 29, 2017 at 08:55 AM. Reason: added more

Dec 29, 2017 | 09:35 AM

Colorado350

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Joined: Nov 2015

Posts: 4,807

Likes: 125

From: Colorado Springs

I think little bit more information is needed. Is this an auto or a manual transmission? Any leaks around the turbo?

Dec 29, 2017 | 09:52 AM

renchr56

Thread Starter

Mountain Pass

Joined: Nov 2005

Posts: 206

Likes: 0

From: Baltimore,Md.

It is a manual transmission no visible leaks anywhere. I pulled all injectors prior to this because I thought maybe it was injector O-rings. All the O-rings were fine but I replaced them anyway since I had them out.

Dec 29, 2017 | 07:30 PM

F350-6

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Joined: Mar 2007

Posts: 26,966

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From: Texas

2-3 is a big jump, and the 550 likely has 4.88 gears in the back. What RPM are you shifting at? Any change if you shift at a RPM that is several hundred different?