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Leak in Air Intake System P2279 - What to check | Audi TT Forum
Leak in Air Intake System P2279 - What to check | Audi TT Forum
Audi A4 Running Rough P0171 P0507 P2279 Multi Misfire
After replacing it twice, I realized the screw hole for the left side of my PCV seems stripped. It's been causing me a misfire and rough idle issue. Is there a solution
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Leak in Air Intake System P2279 - What to check | Audi TT Forum
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Audi A4 Running Rough P0171 P0507 P2279 Multi Misfire