2004 Hyundai Starex GRX TCI with code P0121

Question

P0121 HYUNDAI -how I able to fix the problem and get erase the trouble code P0121 regarding my 2004 Hyundai Starex GRX TCI?

Answer 1

HI there,

This code is for an issue with the throttle position sensor on the throttle body. Normally what happens is the sensor itself fails and replacing it resolves the issue. Once repaired the code will go away on it's own.