I got this problem once..... I got the throttle body serviced from toyota 3s.
However, i think the problem was not because of throttle body...
Do u have CNG in your car.... It might be because of CNG...
However, if u are stuck somewhere, try to start it, put in a 1st gear, leave the clutch....
It will take jerk, and OFF. Start it again, rpm will be up..
Just check it if u got stuck again with the same problem...