Welcome aboard!
Do you have a back up DME relay, if so swap and see if it clears up
Try some Stabil fuel stabilizer or even Seafoam to get potential moisture out of the Fuel.
A tune up may help as well, plugs, rotor and cap, remember to drop some lube down the felt pad in the dizzy or at a minimum an Italian Tune up after she is proper warmed up.
For god sake driver her more
Do you have a pic of your baby?
Jim