My guess is that you have a P1211 ICP lower than desired code. I don't think that Bill disables that code because it's not so much a nuisance as the overboost, but a sign that your high pressure oil pump is not up to snuff.
It's still nothing to worry about.
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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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