Engine quits at speed

[Tina Miller]

After driving an hour or more at speeds above 70 MPH the engine will
die. Pulling of the highway , the engine will  start after a minute or
two. This is happening more often now. The auto is a 1994 100S, 2.8 V6.
No codes are stored in diagnostics , in fact the only code was for
something in the automatic tranmission. Has anyone had this problem? Any
suggestions. Thanks, Dick Miller