Sorry to hear about your situation. I'd say that it is pretty uncommon for the 2.4 to fail. It is a hearty beast.
There is a couple of threads on here about engines needing replacement. If you haven't already, I'd suggest using the search feature. I hope it works out for you!
There is a couple of threads on here about engines needing replacement. If you haven't already, I'd suggest using the search feature. I hope it works out for you!