Ford Repair Questions? Ask a Mechanic for Answers ASAP
Is this a 4R70 or 4R100 transmission?
Which codes are stored?
The speedometer not working correct can be to blame for the shifting issues. For the transmission to stall the engine, the converter clutch has to lock up when not commanded, but that can only stall the engine when not moving. The transmission trying to engage 2 gears at once from a valve body or one way clutch issue can stall the engine at any speed. I would need the codes to help more.
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Glad its resolved.