What is the RPM when the converter locks? There are functions that designate a minimum RPM for converter to be engaged. It may be that you're dropping below the minimum RPM for converter engagement but above the MPH point for converter engagement.
Having fun yet? No you see the crazy stuff we have to deal with all the time!
I'll try to locate the specific function that controls it and let you know. Right now, that computer is packed in the back of the Expy and I can't get to it.
Take care.
__________________
Bill Cohron - The Mad Doctor  
Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997!
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