Jim,
Check the rpms when this happens. I think that speed is where our old 98 D would shift to 6th gear. If that's the case, you might be at the lower limit rpm wise, and increasing throttle pressure might be forcing a shift.
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Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue
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