I was showing the same codes on mine a few months ago. After changing the sensors, it still wouldn't start, so my Subaru mechanic started poking around and found a cracked knock sensor. After replacing the knock sensor, it runs great and I have since put a couple thousand miles on it with no trouble. It does still throw codes for a cam and 2 crank sensors every now and then, but they are new so I know it's not an issue.
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