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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

low boost problem

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Old Nov 7, 2011 | 09:25 AM
  #1  
ford4x4956's Avatar
ford4x4956
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From: RGV,TX
low boost problem

been having a low boost problem, max boost is 10 psi on factory gauge and i can hear the vgt cycling the vanes at idle so i dont think the vanes are sticking and there are no cac or exhaust leaks....anything else u guys think i should check???? oh and i dont feel any power loss maybe bcuz im currently running SRL ++ tune
 
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Old Nov 7, 2011 | 09:08 PM
  #2  
Rusty Axlerod's Avatar
Rusty Axlerod
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Did it boost ok before the tunes were installed. Maybe dropping back to stock just to check it out might be a good place to start. Have you scanned for codes and do you have any gauges? Any recent work done?
 
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Old Nov 7, 2011 | 09:28 PM
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I bet its been losing power over time its probably hard to tell

check and clean MAP,EBP sensors and tubes

I bet you will notice a Gain in power when the issue gets resolved

any gauges
 
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Old Nov 7, 2011 | 10:26 PM
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ford4x4956
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boost was ok before and after tunes this just recently happened....havent check codes tommorow ill change it back to stock tune to see what happens
 
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