Question

I have a P0120 code on my 1998 Nissan Sentra car. How to fix this issue?

Answer 1

P0120 NISSAN - Throttle Position Sensor Signal Range/Performance

Read more: https://www.autocodes.com/p0120_nissan.html

You probably have to replaced the Throttle Position Sensor 

Comments

Thanks for the answer. How long can I take before I replace the sensor? Currently I am observing "the engine may hesitate during acceleration"
If I leave the sensor will the problem become worse?