How To Fix A Bad Idle On a 2013-2019 Nissan Sentra 1.8L

Always confirm that you do not have any vacuum leaks.
Mass air flow sensor- Hitachi MAF0102
Throttle Body- Aisin TBN-010

[@user-th1ls7qq4i]

Mr sniffles😊

[@victorgutierrez5826]

ajaaj..I buy a SCANNER to USE IT....after I clean my THROTTLE Body....and reinstalled . I turn on the motor to let it put HOT the coolant , but star DOING THE SAME THING as you SAID.....boo, boo...and then my IDLE Relearn ITSELF ..no need the SCANNER.

[@ultimatediyguy395]

@@victorgutierrez5826 😭

[@leeporzungolo6221]

If I take the throttle body off what do I have to do a relearn did you say, and if so what is that? And what do I have to do?

[@ultimatediyguy395]

A throttle body relearn corrects the idle and sync’s the pedal with the throttle body. This link may help you do the relearn properly
ua-cam.com/video/CR-AjHCslhs/v-deo.htmlsi=-Q6v2Wl7WdC-7yvT

[@Sokren817]

Nissan always have this problem

[@kirabutler7985]

Was it squealing any?

[@ultimatediyguy395]

Squealing?

[@arielcastro34]

I have a 2019 rough idle no codes pls help , I have replaced spark plugs, no change, I reset with an obd2 it works for a day or two n then comes back to rough idle when driving

[@maxokeef1980]

Try coils, clean the throttle body with throttle cleaner

[@maxokeef1980]

Also check your air filter