my car rpm is very high at 3000 and climbs and doesnt come down on 1993 Nissan Altima

I turn it off quickly and dont drive it cause of it.. it happens always so i leave the car parked..

Asked by for the 1993 Nissan Altima
My car was doing the same things the problem was I had to replace my throttle position sensor
Im having a similar problem with my car now......2003 Altima and the rpms stay HIGH and NO ONE in savannah ga can figure it out. And the check engine light is on! Ugh!