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replace maf sensor

  1. Cleaning the MAF sensor or replace?

    Audi A5/S5 Tech DIY
    Currently Driving a 2009 (purchased A5 during the latter half of 2008) s-line 3.2. I've put about 72k miles on her. The CEL came on for the first time last night. It was solid yellow. I had the CEL read and it stated that there was a malfunction with the MAF sensor. I haven't noted any problems...