you probably have air in cooling system, which is probably caused by blown head gasket(s). Head gasket and intake gasket on these engines are notorious for failing.
Possible bad stop light switch located near the brake pedal.
what make a 1990 Chevy. Lumina Car cut off when make a complete stop.
The Celebrity was replaced by the all-new Lumina.
Check the relay.
the thermostat will make both fans become idle if it is not opening. this happened to me on my 95 3.1 lumina
fix it
new EGR valvie and it still stlls
Wire, Switch, Motor, window regulator.
I had the alternator looked at i had the startr looked at I think it is a security thing but cannot place the problem ne ideas......
Black duct tape
1993 Chevy lumina: check all vacume lines for leaks and or splits around intake.AnswerIf you are not actually moving (just revving up the engine), it is normal for the engine stop at 4000 rpm. (governored)
radiator plugged.or coolant low