One problem related to check engine light on has been reported for the 2000 Subaru Outback. The most recently reported issues are listed below.
There is slippage in transmission. When driving, it can happen at any speed, and will happen more often in stop and go traffic. Contacted dealer. Consumer states that oil light and check engine light come on together and then the power goes out, this has occurred when stopping and moving , the problem is still on going. Dealer claims that the onboard computer shows that a problem exists but they can?t identify the cause unless it happens in their presence.