Dave,
I have personally experienced this on many occasions and I really began to notice it on a stock fueled truck with a slightly "smoothed" base SOI map. Dropping ICP in the "advanced" regions quieted it down.
To be completely honest with you, I was actually looking for that exact post a few days ago.
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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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