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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Turbo boost dropping off under load

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Old Sep 18, 2017 | 10:34 AM
  #1  
relayman53's Avatar
relayman53
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Turbo boost dropping off under load

2006 F250 6.0 Bulletproofed. While pulling my 12000 lb fifth wheel...using any SCT towing tunes , tow button pushed, sometimes ( qjite often)
when the truck shifts into overdrive, even going up a hill, the biist drops to nearly zero. when I put my foot into it ti downshift, boost comes back to about 10. used to stay around 20 while pulling. any Ideas ?
 
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Old Sep 18, 2017 | 11:17 AM
  #2  
Don Naslund's Avatar
Don Naslund
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From: Whittier
The collector ring is most likely sticking. The turbo may need to be cleaned.
 
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Old Sep 18, 2017 | 11:55 PM
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DarkStarMedia
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What's your turbo soloniod % at when it happens? If it hangs at either 15% or 85%, you are sticking.

Richard
 
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Old Sep 19, 2017 | 09:56 AM
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Richard, it does not do this unless im pulling.
how do I verify my solenoid % ?
 
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Old Sep 19, 2017 | 03:25 PM
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DarkStarMedia
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It's usually called VGT%. What engine monitor do you have?

richard
 
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Old Sep 20, 2017 | 10:27 AM
  #6  
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relayman53
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I just have an sct tuner
 
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Old Sep 20, 2017 | 03:03 PM
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DarkStarMedia
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I don't know that one personally... Can it read live data? If not, get a elm327 and torque pro or forscan.

Richard
 
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