One problem related to accelerator pedal has been reported for the 2003 Subaru Outback. The most recently reported issues are listed below.
The contact owns a 2003 Subaru Outback. While driving 10 mph, engaging the brakes, the vehicle accelerated to the highest rpm's and hit the vehicle in front of her. The vehicle steering, brakes, gears were all locked. The gas pedal was stuck and the vehicle continued to accelerate rapidly. She was able to turn the engine off by using the key. The vehicle was towed to the dealer and they stated that they were unable to diagnose the failure. The front end in the fender area was damaged and the passenger door did not open. She sustained a bruise from mid palm to her wrist, and skin removed from knuckle to wrist from the left hand. A police report and pictures are available. The other vehicle's rear end and passenger side panel were also damaged. The purchase date was 10/2003. The current and failure mileages were 37,000.