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Clean your MAF, throttle body assembly, plenty of posts regarding both. I had both codes. In addition, I had to replace one of the two rubber boots behind the throttle body due to a razor size slit down the middle. This slit was causing a chasing idle and possibly one or both of these codes. All O2 sensors were replaced as well, codes reappeared afterwards so not sure that helped. Good Luck!
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'06 Cayman 'S' - Sold (Sport Chrono, PASM, TPMS, 19' CAS Wheels, NAV)
'06 Cayenne - Sold
'01 Boxster 'S' - Sold
'00 Boxster - Sold
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