Intermittent issue of low idle, bogs down and no acceleration

Tiny
FARR2007
  • MEMBER
  • 2013 KIA RIO
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 132,000 MILES
I have to put the pedal down to floor it randomly did this. I do not know whsat is wrong.
Friday, February 4th, 2022 AT 6:41 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 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.
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Friday, February 4th, 2022 AT 6:49 PM

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