We have seen this on a few trucks. Mind you there are countless trucks out there running very similar programs as yours without these issues. More often than not, this issue can be resolved through diagnosis of the mechanical aspects of the high pressure oil system. Because of the more aggressive nature of the injection control pressure system to increase power and responsiveness in the tuning, the HPO system cannot keep up; this can stem from a weak pump or injection pressure regulator valve or o-rings.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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Thu, May 20th, 2010, 11:25 AM
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