The problem is the ramping of the ICP. The IPR cannot compensate fast enough when returning to an idle so it cannot correct very quickly. The only way to fix it is to have a less aggressive ICP map.
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes.
SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory!
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