I'd ask the tech how much oil he put in. 9.5 quarts is a lot, and, given many other cars don't use near that much, it could have been underfilled.
Other than that, there are resources to find what those codes are. A quick test for the MAF would be to unplug it. If the engine runs better, you have a bad MAF.
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2001 Boxster - Grey on Grey
1969 911T Targa - 'Stinky'
http://www.zoto.com/frayadjacent/img...f27a-4a399.jpg <---- my car. ^ crap I post.
"The existence of the flamethrower is evidence that someone, somewhere once said 'I want to set those people over there on fire, but I don't want to have to walk over there to do it.'"
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