Secondary air injection cleaning
05-12-2018, 04:29 AM
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Secondary air injection cleaning
Hi all! Recently my 2011 a6 had the check engine like codes p0491, p0492. I took it into the dealership and they said i needed to clean my engine ports due to co2 build up in banks 1 and 2. They are charging me $2,600 to clean it. Is this a actuall thing that needs to be done, and are they overcharging me? Is there a cheaper way to go about this??
thanks
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