Defect
On certain vehicles, the low-pressure fuel pump could fail. If this happens, then engine may run rough or may not start and the check engine light may turn on. This could also result in a sudden loss of engine power while driving.
Safety Risk
A sudden loss of engine power could increase the risk of a crash.
Remedy
Subaru will notify owners by mail and instruct you to take your vehicle to a dealer to replace the fuel pump.