2013 Audi S6 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2013 Audi S6

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2013 Audi S6 Problems

Decreased Power and Fuel Economy from Carbon Buildup

The 2007-2016 Audi S6 4.0TFSI and 4.2FSI 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 S6 uses direct injection so gasoline does not flow through common carbon buildup areas. 

Possible trouble codes include: P0300P0301P0302P0303P0304, P0305, P0306, P0307, P0308

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. 

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2013 Audi S6 Questions

The transmission in dynamic mode is extremely rough on the downshift. (1 answer)

I have noticed that when i put the car into dynamic mode the transmission is extremely rough when downshifting. The dealer tells me that this is normal and that there are two computers talking to each other trying to put it in the correct gear. It sounds like nonsense and BS to me. Does anyone...

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2013 Audi S6 Recalls

Potential Fuel Leak

Certain vehicles equipped with 4.0L engine are being recalled because a fuel leak could develop. Manufacturing tolerances on one of the fuel lines can result in leakage. Dealers will replace the affected fuel line to correct this concern.

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