Po120 throttle pedal position sensor switch A circuit

Question

I have po120 code which comes engine light
And I want to know what is the problem and where it is and how i fix it

Answer 1

Hi there

This code is for the throttle position sensor on the throttle body. In most cases the sensor itself is the issue, but you can also try cleaning the throttle body first to see if it helps.

P0120 TOYOTA - Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction

Read more: https://www.autocodes.com/p0120_toyota.html