I do realize there is a thread on here about low idle and hesitation, but my issue seems to be a little different. Two days ago, my car was running perfect, no issues. I had an aging battery, so i decided to replace it before winter came. I realize that when you disconnect power it resets the computer adaptives and the throttle position (i dont really know the technical terminology) and that the car needs to idle without any load for 15ish minutes or until the fans come on. So I did this process and my idle was very low, around 4-500. I drove the car for a hundred miles or so to see if the car would relearn with no avail. I then reset the car again and still had the low idle and stalling because the idle was so low. I've driven the car almost 300 miles now and nothing has changed, it may have even gotten a little worse. I had a stealership take a look and they fiddled around and read the code but they said they couldn't do anything unless i brought the car in for at least a $120 diagnostic, let alone what they are gonna seek and destroy. Any suggestions on what to do next? maybe a reflash at a tuner
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