Intermittent issue of low idle, bogs down and no acceleration

2013 KIA RIO
132,000 MILES • 4 CYL • 2WD • AUTOMATIC
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FARR2007
  • MEMBER
  • 244 POSTS
I have to put the pedal down to floor it randomly did this. I do not know whsat is wrong.
Feb 4, 2022 at 6:41 PM
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SQM
  • CAR REPAIR CONTRIBUTOR
  • 6,383 POSTS
Hello,

One of the most common causes for low power mode or limp mode in a vehicle is having a dirty throttle actuator.
Built up dirt and debris inside the throttle actuator can make the sensor not send correct data to the ECM, which can lead to low power output.
Cleaning out the throttle actuator can improve this.

It can also be due to a faulty mass air flow sensor.

Take a look at these articles:

https://www.2carpros.com/articles/reduced-power-limp-mode
https://www.2carpros.com/articles/engine-has-low-power-output

Go through the list and let me know what you find or if you have any questions.

Thank you.
Feb 4, 2022 at 6:49 PM
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