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Those two codes are often caused by a vacuum leak - broken or disconnected hose for the secondary air injection system (SAI). There are plenty of threads here on the forum about the vacuum hoses.
The AOS could still be a problem, but would not likely be related to those codes as Blue said.
Generally the SAI system is only emissions related and helps to give a more complete combustion of fuel when your car is first started. If the failure is related to a vacuum leak that can cause your car to run poorly and should be fixed.
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I am not an attorney, mechanic, or member of the clergy. Following any advice given in my posts is done at your own peril.
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