Join Date: Aug 2010
Location: Sassamansville, Pa
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Anything under 45 psi fuel pressure can cause damage to the injectors.
Either you can or have your mechanic check the FICM.Fuel Press
You may be experiencing stiction, or have injector issues. You won't know unless you put in on a good diagnostic scan tool. If your due for a oil change anyway, switch out to a lighter oil and try some rev-x.
Without a good diagnostic scan tool, you might be throwing parts at it and hope to get lucky.
Did your mechanic physically remove the EGR valve to check for deposits? How about the turbo, did he disassemble the turbo to check unison ring and vanes?
2004 F350 CC DRW King Ranch
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