One problem related to ignition switch has been reported for the 2006 Subaru Outback. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Subaru Outback based on all problems reported for the 2006 Outback.
On street, from park with engine idling, car in drive, accelerator pedal dead at first, then high rpm 3000+ with pedal released. No control of engine rpm. Cel and cc illuminated on instrument panel. Put transmission in neutral. Killed ignition switch. Engine shut down. Restarted engine and rpm was normal. Very frightening! found dtc p2138 acc pedal sensor failure. Called Subaru support, no such record of failure. Called dealer from which car was purchased, answer was bring car in and will try to repair. This is a serious failure and danger. Please see this failure on google. Many people are reporting the same issue. I am apprehensive to put this car on the road especially with other people in it. An investigation should be pursued in these drive by wire vehicles as this car is. Please take this seriously. . Thank you.