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soooo after changing my gas cap and putting some gas in the jeep. It started idling bad, and under acceleration after 50 + mph the engine seems like it would misfire or hesitate.

I have read its possible to be a tps sensor malfunction... But I also read it could be bad fuel.

So I went and got some fuel injector cleaner and put it in with some premium gas but it still does it. So I am trying to wait until, it is all out before i refill because I heard premium could also throw the system off.

I am close to the end of this tank of gas, what should I look for or try? thank you.
The check engine light is on

And yes I got an oil change also. Thanks for any time and help
 
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