Wolfe Subaru on Boundary

I bought a 2009 Subaru Forrester from this shop, assuming they sell inspected & reliable vehicles. 6 months later, I took the car to their service as it was not idling well. They took it in, and told me that they have to fix something (they did not specify what), and that could be up to $2000. They gave me free courtesy car while my car was in service. After few days they called me that there is more to fix (still not specifying exactly what), and few days later, again a call that they still