Alrighty, I cleared the codes and 11 and E9 came back last night. Looks like it's time to replace the camshaft sensor. I heard it's not hard, and thankfully I have the manual from Bentley. Hopefully I won't get the F6 one back. Thanks for your help!!
It could be the Cat on it's way out, but I would try and replace the pre-cat O2 sensors first!
That's what I was thinking. I'm going to try to replace the secondary air injection system's check valve first since I'm getting an error related to banks 1-3 and 4-6. Near 100k miles, I'm sure the O2 sensors need replaced anyway.
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