Ruff idle

[Brahmajoe]

I know there have been posts on this but looking to see if anybody has updates. When I start the jeep after it’s been sitting it usually has an idle of 1500 it drops to 1000 and is a little shakey where you can feel it in the seat and see the phone mount moving.

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[ShadowsPapa]

I know there have been posts on this but looking to see if anybody has updates. When I start the jeep after it’s been sitting it usually has an idle of 1500 it drops to 1000 and is a little shakey where you can feel it in the seat and see the phone mount moving.

You aren't going to get it fixed by what others did or found because there are different causes for misfires and rough idle.
No one should go to the internet and ask "mine misfires, what's the solution" or "what did you do to fix it" because that will almost always set you backwards.
You are chasing a wild goose, sorry.
What fixed it for Joe won't necessarily fix it for Sam and Tim will have a totally different cause.
Going to a dealer saying "this is what is fixing it" is going to lead to a lot of lost time - and the dealership eventually discounting what you suggest.

 

[Brahmajoe]

I saw there was a service bulletin to flash the PCM for 2020 models. I assume this is already in the 2022 software?

 

[Jefe1018]

Ruff... as in it's barking at you? ?

My recommendation would be to take into an authorized Jeep service center. That bad boy should still be within its warranty period.

 

[NachoRuby]

I saw there was a service bulletin to flash the PCM for 2020 models. I assume this is already in the 2022 software?

The newer models will already be updated. But starting at 1500 on a cold start is normal.

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