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A4 bad pcv valve fix
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Forum A4 (B8) A4 bad pcv valve fix Manuals  |  Advert  |  Model



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2017-05-12 15:49:28

Audi A4 B8- Replacing Bad PCV Valve     More info

Replacing the bad PCV on my 2011 Audi A4, because it was running Rough at idle. Also throwing a fault code for bank 1 running too lean at idle. When I replaced the bad PCV valve the car ran like new.

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