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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

No power and long crank

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Old Jun 6, 2012 | 05:22 PM
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No power and long crank

I got a 2006 f450 with egr delete that has a long crank and when it fires it seems to run fine but when you drive down the road the turbo just screams and it doesn't go more than 15 mph and it will shoot air back through the intake if you try to romp on it. I'm not sure where to start there's no codes. Any ideas would be much appreciated.
 
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Old Jun 6, 2012 | 06:02 PM
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Just got a good scanner and it has p0299 tc/sc under boost and po478 exhaust pressure control valve high
 
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Old Jun 8, 2012 | 05:22 AM
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Start with cleaning the turbo and exhaust back pressure valve/tube. Check the MAP sensor tube for plugging. Also check the CAC tubes/boots for splits and the turbo air system for leaks while you have the turbo out. There is a cleaning procedure posted in the 6.0 tech folder.
 
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Old Jun 8, 2012 | 08:11 AM
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It blows the cac boot off right from the turbo every time I drive it
 
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Old Jun 8, 2012 | 09:38 AM
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Tim is probably right turbo needs clean


But I would check Baro & MAP & EBP & MAF sensors at KOEO and low I del and High Idel
 
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