Knowing if any codes were thrown would be a big help (see JARblue's comment above). If you don't have a reader, you can go to most auto parts stores and they will loan or rent you one (some will even go out to the parking lot and read the code for you). Or spend $20-100 and get your own (20 will get you a basic reader, 100 gets more features).
My guess is that the reflash didn't do anything to fix the problem - it just reset everything back to ground zero.
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