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secondary air

  1. Secondary Air intake port -carbon removal

    Gen 8 Do It Yourself Maintenance
    Hi. I have a 2013 and have a code p0411. I took it to dealership and was told that the system is operating normally but that the port has a carbon buildup and needs to be cleaned. They quoted me $800 to do it, so I am seeing if this is something I can do and save some money. I have tried...