2010 Audi S4 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2010 Audi S4

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2010 Audi S4 Problems

Decreased Power and Fuel Economy from Carbon Buildup

The 2010-2017 Audi S4 with the 3.0TFSI direct injection engine 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 S4 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. 

Inspect CV Boots and Joints at Each Service

Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.

Check Engine Light Due to Faulty Torque Converter

A problem with the torque converter can cause the Check Engine Light to illuminate.

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2010 Audi S4 Questions

Confused on the Price of Independent vs Dealer. How can it be cheaper? (3 answers)

If I have a maintenance schedule and contract then the service is free. Also the dealer has all the parts how can the independent be less? Also does time go into play and a loaner???? My time is important. I think this needs some clarification

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