Audi A7 Quattro Problems

RepairPal has identified the most common problems with the Audi A7 Quattro as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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1
Known Problem

The 2012-2017 Audi A7 3.0TFSI direct injection engines are subject to carbon buildup in the intake system which can cause power loss, OBD codes and a check engine light, and a rough idle. In normal engines, the engine is cleaned by the gasoline flowing through the injectors and into the intake system, however, the A7 uses direct injection so gasoline does not flow through common carbon buildup areas. 

Possible trouble codes include: P0300P0301P0302P0303P0304, P0305, P0306.

The solution is to remove the intake manifold and professionally clean the intake manifold, intake ports on the cylinder head, and the intake valves. This may need to be done in as few as 20,000 miles.