Replying to So motorheads of NS i need your HALP

my car is quickly becoming a POS its a 2000 chevy Malibu with 145k on it. a little background so far ive had the tranny already replaced along with some fuel regulator thinger.

today on the freeway she died, completely dead. no power steering, absolutely dead. after letting her sit on the off ramp for 10-15ish minutes i cranked on her and she started. i then proceeded to drive the 15 miles home and it ran ok (taking the slow backroads)

does anyone have ANY idea what could be wrong with her? (before i bring it to the mechanics)

thanks for any help, NS rocks!

Thanks!

Justin