P0121 KIA - how to fix it

Question

How to change the throttle position pedal sensor

Answer 1

P0121 Throttle position sensor (TPS) / switch "A" circuit / range performance problem

To replace the throttle position sensor disconnect the harness to the TPS , remove the two bolts that hold the throttle position sensor to the throttle body. Reconnect the TPS. There has been a TSB that has been produced about this condition where the slack of the harness has produced drivability problem.you are to remove the harness from the bulkhead to give it room this prevent harness breakage overtime.