Hi I recently purchased a 2011 camaro rs about 4 months ago it was used but got a great deal had it bout 4 or 5 months now and all of a sudden the check engine light and abs light and brake and traction lights came on and car loss power and then the engine power and service stabilitrak came on dealer has had it about three weeks and they can't seem to figure out what's wrong with it does anyone know anything about this or had this problem with theres