Chrysler Repair Questions? Ask a Mechanic for Answers ASAP
More than likely you still have a half flat battery.
Replace battery or put a charger on it to see if it recovers.
The engine may need to relearn, but that will happen when you drive it.
I doubt you need a fuel pump.
It may need learn it's target idle speed.
Was it running ok, before you were listening to the radio?
Do you need any further help?
I hope my advice has been of assistance to you.