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6.4 Powerstroke Discussion pertaining to the newest-generation Powerstroke.

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Old 01-03-2019, 07:49 PM   #1
coorsman2005
 
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08 6.4 running rough and white smoke and another odd find

Had a guy call me today with an issue with his 08. Told him to drop it off and I would run codes and when I got time I would dive into it.

Well start the truck obviously running rough and white / grey smoke. No cel no codes what so ever.

The next find I glanced underneath. This truck has absolutely no dpf. Everything on the underside. Looks 100% factory. Has 2 mufflers and everything is just like factory 4" I will post pictures when I dig in deeper. I have not checked if the egr is there or not.

He bought this truck from an old man some where in south TX. Could it be a Mexico truck beings no emissions?

I have no clue I have deleted so many of these trucks and I have never seen anything like this one. Truck only had 119k. Seems to have had a really easy life. It is a full blown work truck package vinyl seats floor and roll me up windows even no cruise control. Someone installed an aftermarket kit on it.

What are your thoughts on this truck and its issues and the positive no dpf.
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress

Last edited by coorsman2005; 01-03-2019 at 07:51 PM.
 
Old 01-03-2019, 08:05 PM   #2
sootie

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Could be a hung injector. Need to get a scanner on it and check rail pressure commanded vs actual. Also check the engine oil for fuel dilution.

Remove the oil fill cap when running. See if the mist that comes out is a steady stream or a rythmic puff puff puff that follows the pulses of the engine. If it is the latter, you could have a cracked piston.

Other thing is if it is a Mexico truck/flash, and another tech flashed a US version to it, the truck could be in Regen.

Just some possibilities....
 
Old 01-03-2019, 08:27 PM   #3
coorsman2005
 
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I did pull the oil cap. It didnt have any visual mist or anything. Just a slight puff like some possible blow by. But nothing would think would be bad. That was with the motor at around 32degrees I didn't let it warm up much
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress

Last edited by coorsman2005; 01-03-2019 at 08:40 PM.
 
Old 01-04-2019, 06:50 AM   #4
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you would know right away then, that rules out a cracked piston.

checking rail pressure, as well as checking how much low pressure fuel you have at the Schroeder valve on the fuel cooler would be the next step.

then a power balance/fuel contribution test to see what the injectors are doing

pull the upper fuel filter and check the bottom of the bowl for sparkles.
 
Old 01-04-2019, 06:52 AM   #5
coorsman2005
 
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Sounds good I will be onto it this weekend
Thanks for the pointers
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-04-2019, 06:53 AM   #6
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What are you using for diagnostics?

If you dont have Ford IDS, a very close second is FORScan and its free, you just need a Bluetooth ELM27 OBD adapter that supports all protocols.

forscan.org
 
Old 01-15-2019, 12:54 PM   #7
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I ordered a forscan it just came in.
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-15-2019, 12:59 PM   #8
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20190115_124254.jpg

20190115_124323.jpg

This is the pics of the exhaust. No emissions but totally stock from the looks

I did check the fuel filter housing looks clean.
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress

Last edited by coorsman2005; 01-15-2019 at 01:02 PM.
 
Old 01-15-2019, 01:15 PM   #9
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Quote:
Originally Posted by coorsman2005 View Post
Attachment 71716

Attachment 71717

This is the pics of the exhaust. No emissions but totally stock from the looks

I did check the fuel filter housing looks clean.
If you run the vin at a dealership, does it come up as a gov issued unit?
 
Old 01-15-2019, 02:15 PM   #10
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I have never seen FoMoCo use alignment rivets on an exhaust.

Take a pic of the two bolt flange where the exhaust meets the downpipe. If it is a stamped piece, it is likely OEM. If it is a flat flange, lasered out of 1/4 or 3/8 plate-it is aftermarket.

Last edited by sootie; 01-15-2019 at 02:17 PM.
 
Old 01-15-2019, 02:47 PM   #11
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Quote:
Originally Posted by TheHammer View Post
If you run the vin at a dealership, does it come up as a gov issued unit?


I haven't tried to run the vin at all
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-15-2019, 02:50 PM   #12
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Quote:
Originally Posted by sootie View Post
I have never seen FoMoCo use alignment rivets on an exhaust.

Take a pic of the two bolt flange where the exhaust meets the downpipe. If it is a stamped piece, it is likely OEM. If it is a flat flange, lasered out of 1/4 or 3/8 plate-it is aftermarket.

Ya I know what your talking about. I will crawl under and send pics once I get back home.

I'm having troubles with the elm 327 connecting. For some reason. I'm going to battle that once I get back home as well.

The smoke shes getting smells like strait fuel. I'm thinking an injector is hung open or something. But hopefully I can get the bluetooth to connect and see some more numbers and watch what things are doing
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-15-2019, 07:01 PM   #13
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Forscan requires an adapter that can run medium speed and high speed can. I used an mx-link
Forscan is freeware. You shouldn't have to order it?

Sent from my XT1575 using Tapatalk
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Old 01-16-2019, 10:35 PM   #14
coorsman2005
 
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Quote:
Originally Posted by biggy238 View Post
Forscan requires an adapter that can run medium speed and high speed can. I used an mx-link
Forscan is freeware. You shouldn't have to order it?

Sent from my XT1575 using Tapatalk

Prolly should have been more clear. I ordered the bluetooth module. Online. Downloaded the app thru the app store.
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-16-2019, 10:37 PM   #15
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20190115_165303.jpg

Heres the pic of the flange. Looks factory
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08 3500 qcsb 6.7 6 speed manual, valair DD, all deletes efi live, arp studs&rocker studs, Vulcan hg w/orings, max spool valve springs, max spoolpush rods, SB66.
2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
Old 01-17-2019, 07:22 AM   #16
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Quote:
Originally Posted by coorsman2005 View Post
Attachment 71718

Heres the pic of the flange. Looks factory
That it does...
 
Old 01-26-2019, 11:40 AM   #17
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Screenshot_20190126-111939_FordSys Free.jpg

I was finally able to get the elm327 to connect. That was the codes it pulled. I watched the injectors it said no fault on all 8.
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2008 megacab 4x4 dually 12v build in progress
1990 2wd d100 4bt nv5600 vailair single disk in progress
 
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