Uneven engine revs at idle

Hello guys! I'm new on this forum, recently discovered, sorry if I ask a question as the first post. Sorry for my english too.

I have a problem with my car. When the engine warms up after using it for a few minutes, when I stop, the engine revs are very low. This also sometimes causes my Micra to shut down. Instead, when it's cold, the engine revs go crazy and go from 1000 rpm to 2500 without accelerating!
There's also the check engine light on.
I'm literally going crazy. Any suggestions?



Thanks a lot.
IMG_20191220_203608.jpeg


Sent from my Redmi S2 using Micra Sports Club mobile app
 
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