Audi Mechanical Question
I have a 2002 Audi A4 3.0 that the check engine light. a mechanic took a look and said the code returned 16815 which is the O2 sensor. and he gat another code that he said returned as Audi specific and said I'd have to take it to the audi dealership...
The code returned was 18339. Any idea on what this might be???
Thank you.
T
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