1992 Chevy Lumina car problems

Change the throttle position sensor located to the right/back of the intake. Also, right below that is an idle air sensor, both run about $40. The other thing I did was take out a pint of tranny fluid and put in a pint of seafoam trans tune. This lubricates the torque control clutch inside the tranny. Since I did this, the car stopped stalling and it idles at 700 rpm. Hope this helps. Its a cheap fix. You will need an allen wrench to remove/install the sensors. Good luck.

Gary