P1126 That is usually = a lean condition on Bank 1 .The plug color may confirm. Usually a vacuum leak.
Make sure you used the correct part number O2 sensors .Easy to mistakenly use the wrong ones.Cross check the Porsche part code if you Interchanged to Bosch.Ditto the MAF.
Check for oil filler tube crcks(common) and vac hoses/connections
Last edited by Gelbster; 08-13-2017 at 01:19 PM.
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