any ideas
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Senior User
Joined: Dec 2002
Posts: 385
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From: airdrie canada
any ideas
any ideas on what would cause this, at idel the noise from the exhaust changes tone and volumne, it sounds normal then it gets louder, its almost like when some one is speaking with a hand over their mouth and then takes their hand away. could it be the turbo? I'm having lots of issues with this 6.0 rough running, poor mileage intermittant blue smoke, it doesn't seem to matter if the truck is warm, hot or cold. I'm looking at a new one but don't really want to spend $65000.00 and do I buy Ford or Dodge? I think Cummins is a better engine, but Superduty is a better built truck.
More Turbo
Joined: Feb 2005
Posts: 574
Likes: 3
From: Grand Rapids,MI
Does it sit alot ?If you work on your own truck pull the turbo and split in two, check the unisom ring for wear, look for wear in the channels the vanes are controlled by and where the activation cam rod arm hole
Senior User
Joined: Jun 2012
Posts: 475
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My early 04 does the same thing. with a straight 4" exhaust it sounds awesome when it changes over. Blows out like a leaf blower. Seriously i can feel exhaust blowin like four feet away. But unless its never done it before it should be the VGT duty cycle. Get a scan gauge and watch it go from 85 to 15
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
Sorry for the 
Does the SGII have a VGT duty cycle Xgauge?
I agree that the OP is hearing the turbo sweep.
I have never really noticed my turbo doing the
sweep. But then again I don't sit and idle. Current
Flash and I do find time to drive like I stole it once
up to normal temp.
Sean
Does the SGII have a VGT duty cycle Xgauge?
I agree that the OP is hearing the turbo sweep.
I have never really noticed my turbo doing the
sweep. But then again I don't sit and idle. Current
Flash and I do find time to drive like I stole it once
up to normal temp.
Sean
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
Sorry for the
Does the SGII have a VGT duty cycle Xgauge?
I agree that the OP is hearing the turbo sweep.
I have never really noticed my turbo doing the
sweep. But then again I don't sit and idle. Current
Flash and I do find time to drive like I stole it once
up to normal temp.
Sean
Does the SGII have a VGT duty cycle Xgauge?
I agree that the OP is hearing the turbo sweep.
I have never really noticed my turbo doing the
sweep. But then again I don't sit and idle. Current
Flash and I do find time to drive like I stole it once
up to normal temp.
Sean
Yes Sir try this
VGT VGT Duty Cycle (%) TXD: 07E022096D RXF: 04620509066D RXD: 3010 MTH: 00647FFF0000 NAM: VGT
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Senior User
Joined: Jun 2012
Posts: 475
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Aparently our ealry model turbos are a little different from your 06. Mine goes into a high idle from 672 up to about 1000rpms when real cold it seems. i hit the brake and it goes back down.i love it. but it sweeps evey couple minutes of idle or so. And everbody HAS to idle sometime. Dont u warm it up in the morning? Listen for a minute
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Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
Aparently our ealry model turbos are a little different from your 06. Mine goes into a high idle from 672 up to about 1000rpms when real cold it seems. i hit the brake and it goes back down.i love it. but it sweeps evey couple minutes of idle or so. And everbody HAS to idle sometime. Dont u warm it up in the morning? Listen for a minute
Its the programing stratigy that does this
Sounds like a Jet Fighter
My EGR Deleate changed the sound some
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Here is a quick read on the VGT turbo and how it's backwards on the readings LOL !!!!!!!!!
http://www.fordtechservice.dealercon...6lvgtguide.pdf
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Yes, my turbo doesn't do this. It hasn't been in a Ford dealer for a long time. So, it hasn't gotten any updated flashes.
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
KO=0 LI=73 HI=43 OR=0-100 %
On WOT, mine has been at 14%.
Hot idle mine rides around 82-85%. ( even with new turbo, clean EBP tube, clean MAP )
Most report as seen above - 73%
On WOT, mine has been at 14%.
Hot idle mine rides around 82-85%. ( even with new turbo, clean EBP tube, clean MAP )
Most report as seen above - 73%