if no warning and it just shuts down but dash lights and radio light up check ignition switch
If your car just shuts down even on the highway it is most likely the cam position sensor, I needed to replace mine for the same thing
When my 1997 Jimmy did this , it was a dead alternator. However, The same symptoms in my 1994 came from a clogged EGR valve.
most of the time you will have an emissions related fault like a faulty egr valve or pcv valve or you maf maybe dirty or one of your vaccum hoses maybe kincked or accidentally disconnected by a goof mechanic
If you lost power while driving it could be the alternator. Its not charging your batter anymore
Check the fuel pump.
could be bad fuel filter.
the egntion
Simple answer is the alternator
Jimmy Friell died in 1997.
Jimmy Ferguson died in 1997.
Jimmy Smy died in 1997.
Jimmy Dunnachie died in 1997.